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November 2006
FIN224AC
µSerDes™ 22-Bit Bi-Directional Serializer/Deserializer
Features
FIN224AC to FIN24AC Comparison
■ Industry smallest 22-bit Serializer/Deserializer pair
■ Up to 20% power reduction
■ Low power for minimum impact on battery life
■ Double wide CKP pulse on FIN224AC, Mode 3
– Multiple power-down modes
■ Rolled edge rate for deserializer outputs on
■ 100nA in standby mode, 5mA typical operating
FIN224AC, for single display applications
conditions
■ Same voltage range
■ Highly rolled LVCMOS edge rate option to meet
■ Same pinout and package
regulatory requirements
■ Cable reduction: 25:4 or greater
General Description
■ Differential signaling:
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. A unique
word boundary technique assures that the actual word
boundary is identified when the data is deserialized. 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. It is possible to use a single PLL
for most applications including bi-directional operation.
––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
■ Up to 26MHz parallel interface operation
■ 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
Applications
■ Image sensors
■ Small displays
– LCD, cell phone, digital camera, portable gaming,
printer, PDA, video camera, automotive
Ordering Information
Package
Order Number
Number
Pb-Free
Package Description
FIN224ACGFX
BGA042
Yes
42-Ball Ultra Small Scale Ball Grid Array (USS-BGA),
JEDEC MO-195, 3.5mm Wide (Slow LVCMOS Edge Rate)
FIN224ACMLX
MLP040
Yes
40-Terminal Molded Leadless Package (MLP), Quad,
JEDEC MO-220, 6mm Square (Slow LVCMOS Edge Rate)
Pb-Free package per JEDEC J-STD-020B. BGA and MLP packages available in tape and reel only.
TM
µSerDes is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FIN224AC Rev.1.1.2
www.fairchildsemi.com