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May 2008
FIN224AC
22-Bit Bi-Directional Serializer/Deserializer
Features
Description
■ Industry smallest 22-bit Serializer/Deserializer pair
The FIN224AC 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 bidirectional operation, using half duplex for multiple
sources, it is possible to reach signal reduction 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 signaling is also
important for providing a noise-insensitive signal that can
withstand radio and electrical noise sources. Major
reduction in power consumption allows minimal impact
on battery life in ultra-portable applications. It is possible
to use a single PLL for most applications including bi-
directional operation.
■ Low power for minimum impact on battery life
– Multiple power-down modes
■ 100nA in standby mode, 5mA typical operating
conditions
■ Highly rolled LVCMOS edge rate option to meet
regulatory requirements
■ Cable reduction: 25:4 or greater
■ Differential signaling:
––90dBm EMI when using CTL in lab conditions
–Minimized shielding
–Minimized EMI filter
–Minimum susceptibility to external interference
■ Up to 22 bits in either direction
■ Voltage translation from 1.65V to 3.6V
■ High ESD protection: > 15kV HBM
■ Parallel I/O power supply (VDDP) range, 1.65V - 3.6V
■ Can support Microcontroller or RGB pixel interface
FIN224AC to FIN24AC Comparison
Applications
■ Up to 20% power reduction
■ Double wide CKP pulse on FIN224AC, Mode 3
■ Image sensors
■ Rolled edge rate for deserializer outputs on
■ Small displays
FIN224AC, for single display applications
– LCD, cell phone, digital camera, portable gaming,
printer, PDA, video camera, automotive
■ Same voltage range
■ Same pinout and package
Ordering Information
Operating
Order
Packing
Temperature
Number
Package Description
Method
Range
42-Ball Ultra Small Scale Ball Grid Array (USS-BGA),
JEDEC MO-195, 3.5mm Wide (Slow LVCMOS Edge Rate)
FIN224ACGFX
FIN224ACMLX
-30 to +70°C
-30 to +70°C
Tape and Reel
Tape and Reel
40-Terminal Molded Leadless Package (MLP), Quad,
JEDEC MO-220, 6mm Square (Slow LVCMOS Edge Rate)
All standard Fairchild Semiconductor products are RoHS compliant and many are also “GREEN” or going green. For Fairchild’s’
definition of “green” please visit http://www.fairchildsemi.com/company/green/rohs_green.html
TM
µSerDes is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FIN224AC Rev.1.1.5
www.fairchildsemi.com