FIN24AC by onsemi Datasheet | DigiKey

FIN24AC Datasheet by onsemi

— FAIRCHII—D — SEMCDNDUCTQR- Des’“
tm
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
January 2007
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3
FIN24AC
22-Bit Bi-Directional Serializer/Deserializer
Features
Low power for minimum impact on battery life
Multiple power-down modes
AC coupling with DC balance
100nA in standby mode, 5mA typical operating
conditions
Cable reduction: 25:4 or greater
Bi-directional operation 50:7 reduction or greater
Differential signaling:
-90dBm EMI when using CTL in lab conditions
using a near field probe
Minimized shielding
Minimized EMI filter
Minimum susceptibility to external interference
Up to 22 bits in either direction
Up to 20MHz parallel interface operation
Voltage translation from 1.65V to 3.6V
Ultra-small and cost-effective packaging
High ESD protection: >8kV HBM
Parallel I/O power supply (VDDP) range between
1.65V to 3.6V
Applications
Micro-controller or pixel interfaces
Image sensors
Small displays
LCD, cell phone, digital camera, portable gaming,
printer, PDA, video camera, automotive
General Description
The FIN24AC µSerDes™ is a low-power Serializer/
Deserializer (SerDes) that can help minimize the cost
and power of transferring wide signal paths. Through the
use of serialization, the number of signals transferred
from one point to another can be significantly reduced.
Typical reduction is 4:1 to 6:1 for unidirectional paths.
For bi-directional operation, using half duplex for multiple
sources, it is possible to increase the signal reduction to
close to 10:1. Through the use of differential signaling,
shielding and EMI filters can also be minimized, further
reducing the cost of serialization. The differential signal-
ing is also important for providing a noise-insensitive sig-
nal that can withstand radio and electrical noise sources.
Major reduction in power consumption allows minimal
impact on battery life in ultra-portable applications. A
unique word boundary technique assures that the actual
word boundary is identified when the data is deserial-
ized. This guarantees that each word is correctly aligned
at the deserializer on a word-by-word basis through a
unique sequence of clock and data that is not repeated
except at the word boundary. A single PLL is adequate
for most applications, including bi-directional operation.
Ordering Information
Pb-Free package per JEDEC J-STD-020B. BGA and MLP packages available in tape and reel only.
µSerDesTM is a trademark of Fairchild Semiconductor Corporation.
Order Number Package
Number Pb-Free Package Description
FIN24ACGFX BGA042 Yes 42-Ball Ultra Small Scale Ball Grid Array (USS-BGA),
JEDEC MO-195, 3.5mm Wide
FIN24ACMLX MLP040 Yes 40-Terminal Molded Leadless Package (MLP), Quad,
JEDEC MO-220, 6mm Square
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 2
Functional Block Diagram
Figure 1. Block Diagram
CKREF CKS0+
CKSI+
+
+
+
+
CKSI-
cksint
cksint
oe
oe
DSO+/DSI-
Serializer
Control
WORD CK
Generator
Freq.
Control Direction
Control
Power Down
Control
Control Logic
0
I
Word
Boundary
Generator
Serializer
Deserializer
Deserializer
Control
PLL
Register
Register
Register
DSO-/DSI+
100Ω Gated
Termination
100Ω
Termination
DIRO
CKS0-
CKP
S1
S2
DIRI
STROBE
DP[21:22]
DP[23:24]
DP[1:20]
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 3
Terminal Description
Note:
1. The DSO/DSI serial port terminals have been arranged such that when one device is rotated 180° to the other device,
the serial connections properly align without the need for any traces or cable signals to cross. Other layout
orientations may require that traces or cables cross.
Terminal
Name I/O Type
Number of
Terminals Description of Signals
DP[1:20] I/O 20 LVCMOS Parallel I/O, direction controlled by DIRI pin
DP[21:22] I 2 LVCMOS Parallel Unidirectional Inputs
DP[23:24] O 2 LVCMOS Unidirectional Parallel Outputs
CKREF IN 1 LVCMOS Clock Input and PLL Reference
STROBE IN 1 LVCMOS Strobe Signal for Latching Data into the Serializer
CKP OUT 1 LVCMOS Word Clock Output
DSO+ / DSI–
DSO– / DSI+ DIFF-I/O 2 CTL Differential Serial I/O Data Signals(1)
DSO: Refers to output signal pair
DSI: Refers to input signal pair
DSO(I)+: Positive signal of DSO(I) pair
DSO(I)–: Negative signal of DSO(I) pair
CKSI+, CKSI– DIFF-IN 2 CTL Differential Deserializer Input Bit Clock
CKSI: Refers to signal pair
CKSI+: Positive signal of CKSI pair
CKSI–: Negative signal of CKSI pair
CKSO+, CKSO– DIFF-OUT 2 CTL Differential Serializer Output Bit Clock
CKSO: Refers to signal pair
CKSO+: Positive signal of CKSO pair
CKSO–: Negative signal of CKSO pair
S1 IN 1 LVCMOS Mode Selection terminals used to select
Frequency Range for the RefClock, CKREF
S2 IN 1
DIRI IN 1 LVCMOS Control Input
Used to control direction of Data Flow:
DIRI = “1” Serializer, DIRI = “0” Deserializer
DIRO OUT 1 LVCMOS Control Output
Inversion of DIRI
VDDP Supply 1 Power Supply for Parallel I/O and Translation Circuitry
VDDS Supply 1 Power Supply for Core and Serial I/O
VDDA Supply 1 Power Supply for Analog PLL Circuitry
GND Supply 0 Use Bottom Ground Plane for Ground Signals
UCCCCCCCCCC HUQUUUUU! mmmmmmmmmh :333333333
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 4
Connection Diagrams
Figure 2. Terminal Assignments for MLP (Top View)
Figure 3. Terminal Assignments for µBGA
1
2
3
4
5
6
7
8
9
10
DP[9]
DP[10]
DP[11]
DP[12]
V
DDP
CKP
DP[13]
DP[14]
DP[15]
DP[16]
30
29
28
27
26
25
24
23
22
21
DIRO
CKSO+
CDSO-
DSO+
/
DSI-
DSO-
/
DSI+
CKSI-
CKSI+
DIRI
S2
V
DDS
11
12
13
14
15
16
17
18
19
20
DP[17]
DP[18]
DP[19]
DP[20]
DP[21]
DP[22]
DP[23]
DP[24]
S1
V
DDA
40
39
38
37
36
35
34
33
32
31
DP[8]
DP[7]
DP[6]
DP[5]
DP[4]
DP[3]
DP[2]
DP[1]
STROBE
CKREF
(Top View)
1 2 3 4 5 6
A
B
C
D
E
F
J
Pin Assignments
1234 5 6
A DP[9] DP[7] DP[5] DP[3] DP[1] CKREF
B DP[11] DP[10] DP[6] DP[2] STROBE DIRO
C CKP DP[12] DP[8] DP[4] CKSO+ CKSO-
D DP[13] DP[14] VDDP GND DSO- / DSI+ DSO+ / DSI-
E DP[15] DP[16] GND VDDS CKSI+ CKSI-
F DP[17] DP[18] DP[21] VDDA S2 DIRI
J DP[19] DP[20] DP[22] DP[23] DP[24] S1
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 5
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Control Logic Circuitry
The FIN24AC has the ability to be used as a 24-bit Seri-
alizer or a 24-bit Deserializer. Pins S1 and S2 must be
set to accommodate the clock reference input frequency
range of the serializer. Table 1 shows the pin program-
ming of these options based on the S1 and S2 control
pins. The DIRI pin controls whether the device is a serial-
izer or a deserializer. When DIRI is asserted LOW, the
device is configured as a deserializer. When the DIRI pin
is asserted HIGH, the device is configured as a serial-
izer. Changing the state on the DIRI signal reverses the
direction of the I/O signals and generates the opposite
state signal on DIRO. For unidirectional operation, the
DIRI pin should be hardwired to the HIGH or LOW state
and the DIRO pin should be left floating. For bi-
directional operation, the DIRI of the master device is
driven by the system and the DIRO signal of the master
is used to drive the DIRI of the slave device.
Serializer/Deserializer with Dedicated I/O
Variation
The serialization and deserialization circuitry is setup for
24 bits. Because of the dedicated inputs and outputs,
only 22 bits of data are ever serialized or deserialized.
Regardless of the mode of operation, the serializer is
always sending 24 bits of data and two boundary bits
and the deserializer is always receiving 24 bits of data
and two word boundary bits. Bits 23 and 24 of the serial-
izer always contain the value of zero and are discarded
by the deserializer. DP[21:22] input to the serializer is
deserialized to DP[23:24] respectively.
Turn-Around Functionality
The device passes and inverts the DIRI signal through
the device asynchronously to the DIRO signal. Care
must be taken during design to ensure that no contention
occurs between the deserializer outputs and the other
devices on this port. Optimally the peripheral device driv-
ing the serializer should be in a HIGH-impedance state
prior to the DIRI signal being asserted.
When a device with dedicated data outputs turns from a
deserializer to a serializer, the dedicated outputs remain
at the last logical value asserted. This value only changes
if the device is once again turned around into a deserial-
izer and the values are overwritten.
Power-Down Mode: (Mode 0)
Mode 0 is used for powering down and resetting the
device. When both of the mode signals are driven to a
LOW state, the PLL and references are disabled, differen-
tial input buffers are shut off, differential output buffers are
placed into a HIGH-impedance state, LVCMOS outputs
are placed into a HIGH-impedance state, LVCMOS
inputs are driven to a valid level internally, and all internal
circuitry is reset. The loss of CKREF state is also enabled
to ensure that the PLL only powers up if there is a valid
CKREF signal.
In a typical application, signals do not change states other
than between the desired frequency range and the power-
down mode. This allows for system-level power-down
functionality to be implemented via a single wire for a
SerDes pair. The S1 and S2 selection signals that have
their operating mode driven to a “logic 0” should be hard-
wired to GND. The S1 and S2 signals that have their
operating mode driven to a “logic 1” should be connected
to a system level power-down signal.
Table 1. Control Logic Circuitry
Mode
Number S2 S1 DIRI Description
0 0 0 x Power-Down Mode
1 0 1 1 24-Bit Serializer, 2MHz to 5MHz CKREF
0 1 0 24-Bit Deserializer
2 1 0 1 24-Bit Serializer, 5MHz to 15MHz CKREF
1 0 0 24-Bit Deserializer
3 1 1 1 24-Bit Serializer, 10MHz to 20MHz CKREF
1 1 0 24-Bit Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 6
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Serializer Operation Mode
The serializer configurations are described in the following sections. The basic serialization circuitry works essentially
the same in these modes, but the actual data and clock streams differ depending on if CKREF is the same as the
STROBE signal or not. When the CKREF equals STROBE, the CKREF and STROBE signals have an identical fre-
quency of operation, but may or may not be phase aligned. When CKREF does not equal STROBE, each signal is dis-
tinct and CKREF must be running at a frequency high enough to avoid any loss of data condition. CKREF must never
be a lower frequency than STROBE.
The Phase-Locked Loop (PLL) must receive a stable CKREF signal to achieve
lock prior to any valid data being sent. The CKREF signal can be used as the data
STROBE signal, provided that data can be ignored during the PLL lock phase.
Once the PLL is stable and locked, the device can begin to capture and serialize
data. Data is captured on the rising edge of the STROBE signal and serialized.
The serialized data stream is synchronized and sent source synchronously with a
bit clock with an embedded word boundary. When in this mode, the internal dese-
rializer circuitry is disabled; including the serial clock, serial data input buffers, the
bi-directional parallel outputs, and the CKP word clock. The CKP word clock is
driven HIGH.
Figure 4. Serializer Timing Diagram (CKREF equals STROBE)
If the same signal is not used for CKREF and STROBE, the CKREF signal must
be run at a higher frequency than the STROBE rate to serialize the data correctly.
The actual serial transfer rate remains at 26 times the CKREF frequency. A data
bit value of zero is sent when no valid data is present in the serial bit stream. The
operation of the serializer otherwise remains the same.
The exact frequency that the reference clock needs is dependent upon the stabil-
ity of the CKREF and STROBE signal. If the source of the CKREF signal imple-
ments spread spectrum technology, the maximum frequency of this spread
spectrum clock should be used in calculating the ratio of STROBE frequency to
the CKREF frequency. Similarly if the STROBE signal has significant cycle-to-
cycle variation, the maximum cycle-to-cycle time needs to be factored into the
selection of the CKREF frequency.
Figure 5. Serializer Timing Diagram (CKREF does not equal STROBE)
WORD n-1
WORD n-2 WORD n-1 WORD n
DPI[1:24]
CKREF
DSO
CKS0
b24 b25 b26 b1b2b3b4b1b2b3b4b5
b22 b23 b24 b25 b26
WORD n+1WORD n
WORD n-1
WORD n-1 WORD n
No Data
No Data
CKREF
DP[1:24]
DSO
CKS0
STROBE
b1b2b3b1b2b3
b4b5b6b7b22 b23 b24 b25 b26
WORD n+1
WORD n
Serializer Operation: (Figure 4)
MODE 1, 2, or 3
DIRI = 1,
CKREF = STROBE
Serializer Operation: (Figure 5),
DIRI = 1,
CKREF does not = STROBE
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 7
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Serializer Operation Mode (Continued)
A third method of serialization can be accomplished with a free running bit clock
on the CKSI signal. This mode is enabled by grounding the CKREF signal and
driving the DIRI signal HIGH.
At power-up, the device is configured to accept a serialization clock from CKSI. If
a CKREF is received, this device enables the CKREF serialization mode. The
device remains in this mode even if CKREF is stopped. To re-enable this mode,
the device must be powered down and powered back up with a “logic 0” on
CKREF.
Figure 6. Serializer Timing Diagram Using Provided Bit Clock (No CKREF)
WORD n-1
WORD n-1 WORD n
No DataNo Data
DP[1:24]
DSO
CKS0
CKSI
STROBE
b1b2b3b1b2b3
b4b5b6b7b22 b23 b24 b25 b26
WORD n+1
WORD n
Serializer Operation: (Figure 6),
DIRI = 1,
No CKREF
RDCDRSDRéngéim ---------- m es—p i%a X
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 8
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Deserializer Operation Mode
The operation of the deserializer is only dependent upon the data received on the DSI data signal pair and the CKSI
clock signal pair. The following two sections describe the operation of the deserializer under two distinct serializer
source conditions. References to the CKREF and STROBE signals refer to the signals associated with the serializer
device used in generating the serial data and clock signals that are inputs to the deserializer.
When operating in this mode, the internal serializer circuitry is disabled; including the parallel data input buffers. If there
is a CKREF signal provided, the CKSO serial clock continues to transmit bit clocks. Upon device power-up (S1 or S2 =
1), all deserializer output data pins are driven LOW until valid data is passed through the deserializer.
When the DIRI signal is asserted LOW, the device is configured as a deserializer.
Data is captured on the serial port and deserialized through use of the bit clock
sent with the data. The word boundary is defined in the actual clock and data sig-
nal. Parallel data is generated at the time the word boundary is detected. The fall-
ing edge of CKP occurs approximately six bit times after the falling edge of CKSI.
The rising edge of CKP goes high approximately 13 bit times after CKP goes
LOW. The rising edge of CKP is generated approximately 13 bit times later. When
no embedded word boundary occurs, no pulse is generated on CKP and CKP
remains HIGH.
Figure 7. Deserializer Timing Diagram (Serializer Source: CKREF equals STROBE)
The logical operation of the deserializer remains the same if the CKREF is equal
in frequency to the STROBE or at a higher frequency than the STROBE. The
actual serial data stream presented to the deserializer, however, differs because it
has non-valid data bits sent between words. The duty cycle of CKP varies based
on the ratio of the frequency of the CKREF signal to the STROBE signal. The fre-
quency of the CKP signal is equal to the STROBE frequency. The falling edge of
CKP will occurs six bit times after the data transition. The LOW time of the CKP
signal is equal to half (13 bit times) of the CKREF period. The CKP HIGH time is
equal to STROBE period – half of the CKREF period. Figure 8 is representative of
a waveform that could be seen when CKREF is not equal to STROBE. If CKREF
is significantly faster, additional non-valid data bits occur between data words.
Figure 8. Deserializer Timing Diagram (Serializer Source: CKREF does not equal STROBE)
WORD n-1 WORD n+1WORD n
b
24
b
25
b
26
b
1
b
1
b
2
b
6
b
7
b
8
b
9
b
24
b
19
b
20
b
25
b
26
WORD n-2
DP[1:24]
CKPO
CKSI
DSI
WORD n
WORD n-1
WORD n-1 WORD n+1WORD n
b
24
bjbj+1 bj+13 bj+14
b
25
b
26
b
24
6 bit times
13 bit times
b
25
b
26
00 00
WORD n-2
DP[1:24]
CKPO
CKSI
DSI
WORD n
WORD n-1
Deserializer Operation: DIRI = 0
(Serializer Source:
CKREF = STROBE)
Deserializer Operation: DIRI = 0
(Serializer Source:
CKREF does not = STROBE)
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 9
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Embedded Word Clock Operation
The FIN24AC sends and receives serial data source
synchronously with a bit clock. The bit clock has been
modified to create a word boundary at the end of each
data word. The word boundary has been implemented
by skipping a low clock pulse. This appears in the serial
clock stream as 3 consecutive bit times where signal
CKSO remains HIGH.
To implement this sort of scheme, two extra data bits are
required. During the word boundary phase, the data tog-
gles either HIGH-then-LOW or LOW-then-HIGH depen-
dent upon the last bit of the actual data word. Table 2
provides some examples of the actual data word and the
data word with the word boundary bits added. Note that
a 24-bit word is extended to 26-bits during serial trans-
mission. Bit 25 and Bit 26 are defined with-respect-to Bit
24. Bit 25 is always the inverse of Bit 24, and Bit 26 is
always the same as Bit 24. This ensures that a “0”
“1” and a “1” “0” transition always occurs during the
embedded word phase where CKSO is HIGH.
The serializer generates the word boundary data bits
and the boundary clock condition and embeds them into
the serial data stream. The deserializer looks for the end
of the word boundary condition to capture and transfer
the data to the parallel port. The deserializer only uses
the embedded word boundary information to find and
capture the data. These boundary bits are stripped prior
to the word being sent out the parallel port.
LVCMOS Data I/O
The LVCMOS input buffers have a nominal threshold
value equal to half VDDP. The input buffers are only oper-
ational when the device is operating as a serializer.
When the device is operating as a deserializer, the inputs
are gated off to conserve power.
The LVCMOS 3-STATE output buffers are rated for a
source/sink current of 2mA at 1.8V. The outputs are
active when the DIRI signal is asserted LOW. When the
DIRI signal is asserted HIGH, the bi-directional LVCMOS
I/Os are in a HIGH-Z state. Under purely capacitive load
conditions, the output swings between GND and VDDP.
Unused LVCMOS input buffers must be tied off to either a
valid logic LOW or a valid logic HIGH level to prevent
static current draw due to a floating input. Unused LVC-
MOS output should be left floating. Unused bi-directional
pins should be connected to GND through a high-value
resistor. If a FIN24AC device is configured as an unidi-
rectional serializer, unused data I/O can be treated as
unused inputs. If the FIN24AC is hardwired as a deseri-
alizer, unused data I/O can be treated as unused out-
puts.
Figure 9. LVCMOS I/O
Differential I/O Circuitry
The FIN24AC employs FSC proprietary CTL I/O technol-
ogy. CTL is a low-power, low-EMI, differential swing I/O
technology. The CTL output driver generates a constant
output source and sink current. The CTL input receiver
senses the current difference and direction from the out-
put buffer to which it is connected. This differs from
LVDS, which uses a constant current source output, but
a voltage sense receiver. Like LVDS, an input source ter-
mination resistor is required to properly terminate the
transmission line. The FIN24AC device incorporates an
internal termination resistor on the CKSI receiver and a
gated internal termination resistor on the DS input
receiver. The gated termination resistor ensures proper
termination regardless of direction of data flow. The rela-
tively greater sensitivity of the current sense receiver of
CTL allows it to work at much lower current drive and a
much lower voltage.
During power-down mode, the differential inputs are dis-
abled and powered down and the differential outputs are
placed in a HIGH-Z state. CTL inputs have an inherent
fail-safe capability that supports floating inputs. When
the CKSI input pair of the serializer is unused, it can reli-
ably be left floating. Alternately both of the inputs can be
connected to ground. CTL inputs should never be con-
nected to VDD. When the CKSO output of the deserial-
izer is unused, it should be allowed to float.
From
Deserializer
To
Serializer
From
Control
DP[n]
Table 2. Word Boundary Data Bits
24-Bit Data Words 24-Bit Data Word with Word Boundary
Hex Binary Hex Binary
3FFFFFh 0011 1111 1111 1111 1111 1111b 1FFFFFFh 01 1111 1111 1111 1111 1111 1111b
155555h 0101 0101 0101 0101 01010 0101b 1155555h 01 0101 0101 0101 0101 0101 0101b
xxxxxxh 0xxx xxxx xxxx xxxx xxxx xxxxb 1xxxxxxh 01 0xxx xxxx xxxx xxxx xxxx xxxxb
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 10
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Figure 10. Bi-Directional Differential I/O Circuitry
PLL Circuitry
The CKREF input signal is used to provide a reference to
the PLL. The PLL generates internal timing signals capa-
ble of transferring data at 26 times the incoming CKREF
signal. The output of the PLL is a bit clock that is used to
serialize the data. The bit clock is also sent source syn-
chronously with the serial data stream.
There are two ways to disable the PLL: by entering the
Mode 0 state (S1 = S2 = 0) or by detecting a LOW on
both the S1 and S2 signals. When any of the other
modes are entered by asserting either S1 or S2 HIGH
and by providing a CKREF signal. The PLL powers up
and goes through a lock sequence. Wait the specified
number of clock cycles prior to capturing valid data into
the parallel port. When the µSerDes chipset transitions
from a power-down state (S1, S2 = 0, 0) to a powered
state (example S1, S2 = 1, 1), CKP on the deserializer
transitions LOW for a short duration, then returns HIGH.
Following this, the signal level of the deserializer at CKP
corresponds to the serializer signal levels.
An alternate way of powering down the PLL is by stop-
ping the CKREF signal either HIGH or LOW. Internal cir-
cuitry detects the lack of transitions and shuts the PLL
and serial I/O down. Internal references,however, are not
disabled, allowing the PLL to power-up and re-lock in a
lesser number of clock cycles than when exiting Mode 0.
When a transition is seen on the CKREF signal, the PLL
is reactivated.
+
+
DS+
DS-
Gated
Termination
(DS Pins Only)
From
Serializer
To
Deserializer
From
Control
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 11
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Application Mode Diagrams Unidirectional Data Transfer
Figure 11. Simplified Block Diagram for Unidirectional Serializer and Deserializer
Figure 11 shows basic operation when a pair of SerDes is configured in an unidirectional operation mode.
In Master Operation, the device:
1. Is configured as a serializer at power-up based on the
value of the DIRI signal.
2. Accepts CKREF_M word clock and generates a bit
clock with embedded word boundary. This bit clock is
sent to the slave device through the CKSO port.
3. Receives parallel data on the rising edge of
STROBE_M.
4. Generates and transmits serialized data on the
DS signals source synchronously with CKSO.
5. Generates an embedded word clock for each strobe
signal.
In Slave Operation, the device:
1. Is configured as a deserializer at power-up based on
the value of the DIRI signal.
2. Accepts an embedded word boundary bit clock on
CKSI.
3. Deserializes the DS data stream using the CKSI input
clock.
4. Writes parallel data onto the DP_S port and generates
the CKP_S. CKP_S is only generated when a valid
data word occurs.
Figure 12. Unidirectional Serializer and Deserializer
+
+
+
+
CKREF_M
CKSO CKSI
CKP_S
DP[1:12]_S
Serializer
Control
BIT CK
Gen.
PLL
Master Device Operating as a Serializer
DIR = “1”
S2 = S1 = “0”
Slave Device Operating as a Deserializer
DIR = “0”
S2 = S1 = “0”
Deserializer
Control
Work CK
Gen
Serializer Deserializer
Register
Register
DS
STROBE_M
DP[1:12]_M
CKREF
Note:
Data on serializer pins DP[21:22] is output on pins DP[23:24] of the deserializer.
Receiving
Unit
STROBE
DP[21:22]
CKSI
DS DP[23:24]
DP[1:20]
CNTL[0:1]
DATA [0:19]
CNTL[0:1]
DATA [0:19] DP[1:20]
DIRI
VDD
DIRI
S1
S2
S1
S2
CKSO CKP
DS
FIN24AC FIN24AC
Sending
Unit
REFCK
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 12
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Figure 13. Multiple Units, Unidirectional Signals in Each Direction
Figure 13 shows a half-duplex connectivity diagram. This
connectivity allows for two unidirectional data streams to
be sent across a single pair of SerDes devices. Data is
sent on a frame-by-frame basis. For this mode, there
must be some synchronization between when the cam-
era sends its data frame and when the LCD sends its
data. One option is to have the LCD send data during the
camera blanking period. External logic may be needed
for this mode of operation.
Devices alternate frames of data controlled by a direction
control and a direction sense. When DIRI on the right-
hand FIN24AC is HIGH, data is sent from the camera to
the camera interface at the base. When DIRI on the
right-hand FIN24AC goes LOW, is sent from the base-
band process to the LCD. The direction is then changed
at DIRO on the right-hand FIN24AC, indicating to the
left-hand FIN24AC to change direction. Data is sent
from the base LCD unit to the LCD. The DIRO pin on the
left-hand FIN24AC is used to indicate to the base control
unit that the signals are changing direction and the LCD
is available to receive data. DIRI on the right-hand
FIN24AC could typically use a timing reference signal,
such as VSYNC from the camera interface, to indicate
direction change. A derivative of this signal may be
required to make sure that no data is lost in the final data
transfer.
Flex Circuit Design Guidelines
The serial I/O information is transmitted at a high serial rate. Care must be taken implementing this serial I/O flex
cable. The following best practices should be used when developing the flex cabling or Flex PCB:
Keep all four differential wires the same length.
Allow no noisy signals over or near differential serial wires. Example: No LVCMOS traces over differential wires.
Use only one ground plane or wire over the differential serial wires. Do not run ground over top and bottom.
Do not place test points on differential serial wires.
Use differential serial wires a minimum of 2cm away from the antenna.
CKREF
Base
Unit
LCD
Camera
Disable
STROBE
DP[21:22]
CKSI
DS
CKSO
DP[23:24]
DP[23:24]
DP[1:20]
DP[21:22]
STROBE
CKREF
VSYNC/HSYNC
VSYNC/HSYNC
PwrDwn
Camera/LCD Select
DP[1:20]
LCD
Unit
Camera
Unit
GPIO
DIRI DIRI
S1
S2
S1
S2
CKSO CKP
CKSI
DS
DIRO DIRO
FIN24AC FIN24AC
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 13
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol Parameter Min. Max. Unit
VDD Supply Voltage -0.5 +4.6 V
ALL Input/Output Voltage -0.5 +4.6 V
LVDS Output Short-Circuit Duration Continuous
TSTG Storage Temperature Range -65 +150 °C
TJMaximum Junction Temperature +150 °C
TLLead Temperature (Soldering, 4 seconds) +260 °C
ESD Human Body Model, 1.5kΩ, 100pF All Pins > 2 kV
CKSO, CKSI, DSO to GND > 7.5 kV
Symbol Parameter Min. Max. Unit
VDDA, VDDS Supply Voltage 2.5 2.9 V
VDDP Supply Voltage 1.65 3.6 V
TAOperating Temperature -30 +70 °C
VDDA-PP Supply Noise Voltage 100 mVp-p
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 14
DC Electrical Characteristics
Values are provided for over-supply voltage and operating temperature ranges, unless otherwise specified.
Notes:
2. Typical Values are given for VDD = 2.775V and TA = 25°C. Positive current values refer to the current flowing into device
and negative values means current flowing out of pins. Voltage is referenced to GROUND unless otherwise specified
(except ΔVOD and VOD).
3. VGO is the difference in device ground levels between the CTL driver and the CTL receiver.
Symbol Parameter Test Conditions Min. Typ.(2) Max. Unit
LVCMOS I/O
VIH Input High Voltage 0.65 x VDDP VDDP
VIL Input Low Voltage GND 0.35 x VDDP V
VOH Output High Voltage IOH = –2.0 mA
VDDP = 3.3 ± 0.3
0.75 x VDDP VVDDP = 2.5 ± 0.2
VDDP = 1.8 ± 0.15
VOL Output Low Voltage IOL = 2.0 mA
VDDP = 3.3 ± 0.3
0.25 x VDDP VVDDP = 2.5 ± 0.2
VDDP = 1.8 ± 0.15
IIN Input Current VIN = 0V to 3.6V –5.0 5.0 µA
DIFFERENTIAL I/O
IODH Output High Source
Current VOS = 1.0V, Figure 14 –1.75 mA
IODL Output Low Sink Current VOS = 1.0V, Figure 14 0.950 mA
IOZ Disabled Output Leakage
Current
CKSO, DSO = 0V to VDDS,
S2 = S1 = 0V ±0.1 ±5.0 µA
IIZ Disabled Input Leakage
Current
CKSI, DSI = 0V to VDDS,
S2 = S1 = 0V ±0.1 ±5.0 µA
VICM Input Common Mode Range VDDS = 2.775 ± 5% VGO + 0.80 V
VGO Input Voltage Ground
Off-set Relative to Driver(3) See Figure 15 0 V
RTRM CKSI Internal Receiver
Termination Resistor
VID = 50mV, VIC = 925mV, DIRI =
0, | CKSI+ – CKSI- | = VID 80.0 100 120 Ω
RTRM DSI Internal Receiver,
Termination Resistor
VID = 50mV, VIC = 925mV, DIRI =
0, | DSI+ – DSI- | = VID 80.0 100 120 Ω
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 15
Power Supply Currents
AC Electrical Characteristics
Values are provided for over-supply voltage and operating temperature ranges, unless otherwise specified.
Symbol Parameter Test Conditions Min. Typ. Max. Units
IDDA1 VDDA Serializer Static
Supply Current
All DP and Control Inputs at 0V or VDD,
No CKREF, S2 = 0, S1 = 1, DIR = 1 450 µA
IDDA2 VDDA Deserializer Static
Supply Current
All DP and Control Inputs at 0V or VDD,
No CKREF, S2 = 0, S1 = 1, DIR = 0 550 µA
IDDS1 VDDS Serializer Static Supply
Current
All DP and Control Inputs at 0V or VDD,
No CKREF, S2 = 0, S1 = 1, DIR = 1 4.0 mA
IDDS2 VDDS Deserializer Static Supply
Current
All DP and Control Inputs at 0V or VDD,
No CKREF, S2 = 0, S1 = 1, DIR = 0 4.5 mA
IDD_PD VDD Power-Down Supply Current
IDD_PD = IDDA + IDDS + IDDP S1 = S2 = 0, All Inputs at GND or VDD 0.1 µA
IDD_SER1
26:1 Dynamic Serializer Power
Supply Current
IDD_SER1 = IDDA + IDDS + IDDP
CKREF = STROBE
DIRI = H
See Figure 16
S2 = L
S1 = H
2MHz 9.0
mA
5MHz 14.0
S2 = H
S1 = L
5MHz 9.5
15MHz 17.0
S2 = H
S1 = H
10MHz 11.0
20MHz 15.5
IDD_DES1
1:26 Dynamic Deserializer Power
Supply Current
IDD_DES1 = IDDA + IDDS + IDDP
CKREF = STROBE
DIRI = L
See Figure 16
S2 = L
S1 = H
2MHz 5.5
mA
5MHz 6.0
S2 = H
S1 = L
5MHz 4.0
15MHz 5.5
S2 = H
S1 = H
10MHz 7.5
20MHz 10.0
IDD_SER2
26:1 Dynamic Serializer Power
Supply Current
IDD_SER2 = IDDA + IDDS + IDDP
NO CKREF
STROBE Active
CKSI = 15X Strobe
DIRI = H, See Figure 16
2MHz 8.0
mA
5MHz 8.5
10MHz 10.0
15MHz 12.0
Symbol Parameter Test Conditions Min. Typ.(4) Max. Units
SERIALIZER INPUT OPERATING CONDITIONS
tTCP CKREF Clock Period
(2MHz–20MHz)
See Figure 20
CKREF = STROBE
S2 = 0 S1 = 1 200 T 500 ns
S2 = 1 S1 = 0 66.0 200
S2 = 1 S1 = 1 50.0 100
fREF CKREF Frequency Relative to
Strobe Frequency
CKREF
does not equal
STROBE
S2 = 0 S1 = 1 1.1 x fST 5.0 MHz
S2 = 1 S1 = 0 15.0
S2 = 1 S1 = 1 20.0
tCPWH CKREF Clock High Time 0.2 0.5 T
tCPWL CKREF Clock Low Time 0.2 0.5 T
tCLKT LVCMOS Input Transition
Time
See Figure 20 90.0 ns
tSPWH STROBE Pulse Width
HIGH/LOW
See Figure 20
(T
x
4) / 26 (T
x
22)
/
26
ns
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 16
Notes:
4. Typical Values are given for VDD = 2.775V and TA = 25°C. Positive current values refer to the current flowing into
device and negative values refer to current flowing out of pins. Voltage is referenced to GROUND unless otherwise
specified (except ΔVOD and VOD).
5. Skew is measured form either the rising or falling edge of CKSO clock to the rising or falling edge of data (DSO).
Signals are edge aligned. Both outputs should have identical load conditions for this test to be valid.
6. The power-down time is a function of the CKREF frequency prior to CKREF being stopped HIGH or LOW and the
state of the S1/S2 mode pins. The specific number of clock cycles required for the PLL to be disabled varies based
on the operating mode of the device.
7. Signals are transmitted from the serializer source synchronously. In some cases, data is transmitted when the clock
remains at a high state. Skew should only be measured when data and clock are transitioning at the same time. Total
measured input skew is a combination of output skew from the serializer, load variations, and ISI and jitter effects.
8. Rising edge of CKP appears approximately 13 bit times after the falling edge of the CKP output. Falling edge of CKP
occurs approximately eight bit times after a data transition or six bit times after the falling edge of CKSO. Variation of
the data with respect of the CKP signal is due to internal propagation delay differences of the data and CKP path and
propagation delay differences on the various data pins. If the CKREF is not equal to STROBE for the serializer, the
CKP signal does not maintain a 50% duty cycle. The low time of CKP remains 13 bit times.
fMAX Maximum Serial Data Rate CKREF x 26 S2 = 0 S1 = 1 52.0 130 Mb/s
S2 = 1 S1 = 0 130 390
S2 = 1 S1 = 1 260 520
tSTC DP(n) Setup to STROBE DIRI = 1 2.5 ns
tHTC DP(n) Hold to STROBE See Figure 9 (f = 5MHz) 2.0 ns
fREF CKREF Frequency Relative to
Strobe Frequency
CKREF Does Not Equal STROBE 1.1 x
fSTROBE
20.0 MHz
SERIALIZER AC ELECTRICAL CHARACTERISTICS
tTCCD Transmitter Clock Input to
Clock Output Delay
See Figure 23, DIRI = 1,
CKREF = STROBE
33a + 1.5 35a + 6.5 ns
tSPOS CKSO Position Relative to DS See Figure 26(5) –50.0 250 ps
PLL AC ELECTRICAL CHARACTERISTICS
tTPLLS0 Serializer PLL Stabilization
Time
See Figure 22 200 µs
tTPLLD0 PLL Disable Time Loss of
Clock
See Figure 27 30.0 µs
tTPLLD1 PLL Power-Down Time See Figure 28(6) 20.0 ns
DESERIALIZER INPUT OPERATION CONDITIONS
tS_DS Serial Port Setup Time,
DS-to-CKSI
See Figure 25(7) 1.4 ns
tH_DS Serial Port Hold Time,
DS-to-CKS
See Figure 25(7) –250 ps
DESERIALIZER AC ELECTRICAL CHARACTERISTICS
tRCOP Deserializer Clock Output
(CKP OUT) Period
See Figure 21 50.0 T 500 ns
tRCOL CKP OUT Low Time See Figure 21 (Rising Edge Strobe)
Serializer Source STROBE = CKREF
where a = (1/f) / 26(8)
13a-3 13a+3 ns
tRCOH CKP OUT High Time 13a-3 13a+3 ns
tPDV Data Valid to CKP LOW See Figure 21 (Rising Edge Strobe)
where a = (1/f) / 26(8) 8a-6 8a+1 ns
tROLH Output Rise Time
(20% to 80%)
CL = 5pF, See Figure 18 2.5 ns
tROHL Output Fall Time
(80% to 20%)
2.5 ns
Symbol Parameter Test Conditions Min. Typ.(4) Max. Units
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 17
Control Logic Timing Controls
Note:
9. Deserializer Enable Time includes the amount of time required for internal voltage and current references to stabilize.
This time is significantly less than the PLL lock time and does not impact overall system startup time.
Capacitance
Symbol Parameter Test Conditions Min. Typ. Max. Units
tPHL_DIR,
tPLH_DIR Propagation Delay
DIRI-to-DIRO DIRI LOW-to-HIGH or HIGH-to-LOW 17.0 ns
tPLZ, tPHZ Propagation Delay
DIRI-to-DP DIRI LOW-to-HIGH 25.0 ns
tPZL, tPZH Propagation Delay
DIRI-to-DP DIRI HIGH-to-LOW 25.0 ns
tPLZ, tPHZ Deserializer Disable Time:
S0 or S1 to DP DIRI = 0,
S1(2) = 0 and S2(1) = LOW-to-HIGH, Figure 29 25.0 ns
tPZL, tPZH Deserializer Enable Time:
S0 or S1 to DP DIRI = 0,(9)
S1(2) = 0 and S2(1) = LOW-to-HIGH, Figure 29 2.0 µs
tPLZ, tPHZ Serializer Disable Time:
S0 or S1 to CKSO, DS DIRI = 1,
S1(2) = 0 and S2(1) = HIGH-to-LOW, Figure 28 25.0 ns
tPZL, tPZH Serializer Enable Time:
S0 or S1 to CKSO, DS DIRI = 1,
S1(2) and S2(1) = LOW-to-HIGH, Figure 28 65.0 ns
Symbol Parameter Test Conditions Min. Typ. Max. Units
CIN Capacitance of Input Only Signals,
CKREF, STROBE, S1, S2, DIRI DIRI = 1, S1 = S2 = 0,
VDD = 2.5V 2.0 pF
CIO Capacitance of Parallel Port Pins DP1:12 DIRI = 1, S1 = S2 = 0,
VDD = 2.5V 2.0 pF
CIO-DIFF Capacitance of Differential I/O Signals DIRI = 0, S1 = S2 = 0,
VDD = 2.775V 2.0 pF
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 18
AC Loading and Waveforms
Figure 14. Differential CTL Output DC Test Circuit Figure 15. CTL Input Common Mode Test Circuit
Figure 16. “Worst-Case” Serializer Test Pattern
Figure 17. CTL Output Load and Transition Times Figure 18. LVCMOS Output Load
and Transition Times
Input
DS+
DS-
RL/2
RL/2
VOD
VOS
+
+
DUT DUT
VGO
100Ω Termination +
Note:
The “worst-case” test pattern produces a maximum toggling of internal digital circuits, CTL I/O and LVCMOS I/O with the PLL operating at the reference
frequency, unless otherwise specified. Maximum power is measured at the maximum V
DD
values. Minimum values are measured at the minimum V
DD
values.
Typical values are measured at V
DD
= 2.5V.
T
666h
0
b
13
b
14
b
1
b
2
b
6
b
7
b
8
b
11
b
12
b
1
b
2
b
11
b
12
b
1
b
2
b
6
b
7
b
8
11 11 11100 0 0 0 0
DP[1:12]
CKREF
CKS0-
CKS0+
DS+
DS-
666h999h
t
TLH
V
DIFF
= (DS+) – (DS-)
V
DIFF
20% 20%
80% 80%
DS+
DS-
5 pF 100Ω
+
t
THL
t
ROLH
20%
DPn
DPn
20%
80% 80%
5pF 1000Ω
t
ROHL
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 19
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
AC Loading and Waveforms (Continued)
Figure 19. Serial Setup and Hold Time Figure 20. LVCMOS Clock Parameters
Setup:
STROBE
DP[1:12]
STROBE
tSTC
tHTC
Data
Data
DP[1:12]
Setup Time
Hold Time
MODE0 = “0” or “1”, MODE1 = “1”, SER/DES = “1”
CKREF
t
CLKT
90% 90%
10% 10%
50% 50%
t
CLKT
V
IH
V
IL
t
TCP
t
CPWH
t
CPWL
Figure 21. Deserializer Data Valid Window Time
and Clock Output Parameters
Figure 22. Serializer PLL Lock Time
CKP
DP[1:12]
t
PDV
Data
Data Valid
EN_DES = “1”, CKSI, and DSI are valid signals.
CKP 50% 75% 50%
25%
t
RCOP
t
RCOH
t
RCOL
Setup:
CKS0
CKREF
S1 or S2
VDD/VDDA
tTPLS0
Note: CKREF signal is free running.
Figure 23. Serializer Clock Propagation Delay Figure 24. Deserializer Clock Propagation Delay
STROBE
CKS0-
CKS0+
t
TCCD
V
DD/2
V
DIFF = 0
Note: STROBE = CKREF
CKSI-
CKSI+
CKP
t
RCCD
V
DD/2
V
DIFF
= 0
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 20
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
AC Loading and Waveforms (Continued)
Figure 25. Differential Input Setup and Hold Times Figure 26. Differential Output Signal Skew
CKSI-
CKSI+
DSI-
DSI+
t
H_DS
t
S_DS
VDIFF=0
VDIFF=0 VID/2
CKSO-
CKSO+
DSO-
DSO+
t
SK(P-P)
V
ID
/
2
V
DIFF
= 0
V
DIFF
= 0
Note: Data is typically edge aligned with the clock.
Figure 27. PLL Loss of Clock Disable Time Figure 28. PLL Power-Down Time
CKS0
CKREF
t
TPPLD0
Note: CKREF Signal can be stopped either HIGH or LOW.
CKS0
S1 or S2
tTPPLD1
Figure 29. Serializer Enable and Disable Time Figure 30. Deserializer Enable and Disable Times
DS+,CKS0+
HIGH-Z
DS-,CKS0-
S1 or S2
t
PLZ(HZ)
t
PZL(ZH)
Note: CKREF must be active and PLL must be stable.
S1 or S2
DP
t
PLZ(HZ)
t
PZL(ZH)
Note: If S1(2) transitioning, S2(1) must = 0 for test to be valid.
4k r—+ ,f “, » 000639000000: o e a {,9 e fl L 4 $ —p
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 21
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Tape and Reel Specification
Dimensions are in millimeters unless otherwise noted.
BGA Embossed Tape Dimension
Note:
10. A0, B0, and K0 dimensions are determined with
respect to the EIA/JEDEC RS-481 rotational and
lateral movement requirements (see sketches A, B,
and C).
P
1
A
0
D
1
P
0
P
2
F
W
E
D
B
0
Tc
W
c
K
0
T
User Direction of Feed
Package
A0
±0.1 B0
±0.1 D
±0.05 D1
Min. E
±0.1 F
±0.1 K0
±0.1 P1
Typ. P0
Typ. P2
±0/05 T
Typ. TC
±0.005 W
±0.3 WC
Typ.
3.5 x 4.5 TBD TBD 1.55 1.5 1.75 5.5 1.1 8.0 4.0 2.0 0.3 0.07 12.0 9.3
Shipping Reel Dimension
10° maximum component rotation
Sketch C (Top View)
Component lateral movement
Typical component
cavity center line
1.0mm
maximum
W1 Measured at Hub
Dia A
max
Dia D
min
B Min
Dia C
Dia N
See detail AA
DETAIL AA
W3
W2 max Measured at Hub
1.0mm
maximum
Typical component
center line
10° maximum
B0
A0
Sketch B (Top View)
Component Rotation
Sketch A (Side or Front Sectional View)
Component Rotation
Tape
Width Dia A
Max. Dim B
Min. Dia C
+0.5/–0.2 Dia D
Min. Dim N
Min. Dim W1
+2.0/–0 Dim W2
Max. Dim W3
(LSL–USL)
8 330 1.5 13.0 20.2 178 8.4 14.4 7.9 ~ 10.4
12 330 1.5 13.0 20.2 178 12.4 18.4 11.9 ~ 15.4
16 330 1.5 13.0 20.2 178 16.4 22.4 15.9 ~ 19.4
H, . 000639600000: Z) G) (+2 s99 w. —> \L A?
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 22
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Tape and Reel Specification (Continued)
Dimensions are in millimeters unless otherwise noted.
MLP Embossed Tape Dimension
Note:
11. Ao, Bo, and Ko dimensions are determined with respect to the EIA/JEDEC RS-481 rotational and lateral movement
requirements (see sketches A, B, and C).
Package
A0
±0.1 B0
±0.1 D
±0.05 D1
Min. E
±0.1 F
±0.1 K0
±0.1 P1
Typ. P0
Typ. P2
±0/05 T
Typ. TC
±0.005 W
±0.3 WC
Typ.
5 x 5 5.35 5.35 1.55 1.5 1.75 5.5 1.4 8 4 2.0 0.3 0.07 12 9.3
6 x 6 6.30 6.30 1.55 1.5 1.75 5.5 1.4 8 4 2.0 0.3 0.07 12 9.3
Tape
Width Dia A
Max. Dim B
Min. Dia C
+0.5/–0.2 Dia D
Min. Dim N
Min. Dim W1
+2.0/–0 Dim W2
Max. Dim W3
(LSL–USL)
8 330 1.5 13 20.2 178 8.4 14.4 7.9 ~ 10.4
12 330 1.5 13 20.2 178 12.4 18.4 11.9 ~ 15.4
16 330 1.5 13 20.2 178 16.4 22.4 15.9 ~ 19.4
P
1
A
0
D
1
P
0
P
2
F
W
E
D
B
0
Tc
W
c
K
0
T
User Direction of Feed
Shipping Reel Dimension
10° maximum component rotation
Sketch C (Top View)
Component lateral movement
Typical component
cavity center line
1.0mm
maximum
W1 Measured at Hub
Dia A
max
Dia D
min
B Min
Dia C
Dia N
See detail AA
DETAIL AA
W3
W2 max Measured at Hub
1.0mm
maximum
Typical component
center line
10° maximum
B0
A0
Sketch B (Top View)
Component Rotation
Sketch A (Side or Front Sectional View)
Component Rotation
TOP VTEW /7 i ‘ 4 fr H§5+L5L5ga i,“ :0 Z D 5-. @nzaiuosj J 0 same mug o o 0 NOTES. 0 A. CONEORMS TO JEDEC REGTSTRATTON M07195, 0 E. DTMENSTONS ARE TN MTLLTMETERS. C. DTMENSTONS AND TOLERANCES PER ASME YT4,5M, 1994 D‘ STATTSTTCAL TOLERANCTNG FOR REFERENCE REFER TO MAX DTMENSTON FOR QA TNSPECTTON E. LAND PAWERN RECOMENDATTON PER TP077351 TABLET4715 LAND PATTERN NAME PER TABLE 37M). BGA50P+6X7742 BGA42ArevB Figure 31. Fb-Free, 42-Ball, Ullra Small Scale Ball Grid Array (USS-BGA OOOOOOO OOOOOOO OOOOOOO OOOOOOO OOOOOOO @ 2005 Fammu Semiconductor Curpuvahan FTNEAAC Rev 10 3 23
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 23
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Physical Dimensions
Dimensions are in millimeters unless otherwise noted.
Figure 31. Pb-Free, 42-Ball, Ultra Small Scale Ball Grid Array (USS-BGA), JEDEC MO-195, 3.5mm Wide
BOTTOM VIEW
3.50
4.50 0.5
0.5
3.0
2.5
Ø0.3±0.05
SEATING PLANE 0.23±0.05
0.45±0.05
(0.75)
(0.5)(0.35)
(0.6)
0.08 C
0.10 C
0.10 C
0.89±0.082
1.00 MAX
0.21±0.04
(QA CONTROL VALUE)
0.10 C
C
0.15 C A B
0.05 C
X42
TERMINAL
A1 CORNER
INDEX AREA
2X
2X
0.2+0.1
-0.0
LAND PATTERN
RECOMMENDATION
(2x) E- C E rm BO) 7 + — ' D D H H H [I H D J :1 :1 PM on \DEMT\ :I :I \O 53 MN I: :1 I: :1 Top “w (2x) 5 ms 0 I: :1 ”7W ‘7 MW E E :1 :1 80 W :1 ‘ :1 mm- L (n m) m 02mm , mm HUN __5J V mm: 0.23 MAX» v owwr— ~— ME 5qu vwEw m v 4.20 RECOMMENDED LAND PATTERN t WD :1 B B [:1 CI (DATUM E)77 El PW Fl ‘0 ‘ El :I n 3 [U U] D J] [I [I [I [I D m BOTTOM VIEw NOTES: “ OPHONAL MN ONE \DENWER A. CONFORMS TO JEDEC REG‘STRATION M07220, VAR‘AT‘ON WJJDrZ W‘TH EXCEPTION THIS IS A SAWN VERS‘ON. E D‘MENS‘ONS ARE \N M‘LLIMETERS C. D‘MENS‘ONS AND TOLERANCES PER D. LAND PAWERN PER \PC SMJEZ FABR‘CAT‘ON AND ASSEMBLY TOLERANCES 0F O,‘ MM APPUED WW‘DTH REDUCED TO AVOID SOLDER BR‘DGING. O, D‘MENS‘ONS ARE NOT \NCLUS‘VE OF BURRS, MOLD FLASH. NOR T‘E BAR PROTRUS‘ONS, MLP4OArev2 Figure 32. Fb-Free, KID-Terminal, Molded Leadless Package (MLP), Quad, JEDEC MO-ZZO, 6mm Sq @ 2005 Emma Semiconductor Curpuvahan www HNzAAc Rev 10 3 24
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FIN24AC Rev. 1.0.3 24
FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
Physical Dimensions (Continued)
Dimensions are in millimeters unless otherwise noted.
Figure 32. Pb-Free, 40-Terminal, Molded Leadless Package (MLP), Quad, JEDEC MO-220, 6mm Square
(DATUM A)
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FIN24AC 22-Bit Bi-Directional Serializer/Deserializer
© 2005 Fairchild Semiconductor Corporation www.fairchildsemi.com
FIN24AC Rev. 1.0.3 25