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FIN224AC 반도체 회로 부품 판매점

USerDes 22-Bit Bi-Directional Serializer/Deserializer



Fairchild Semiconductor 로고
Fairchild Semiconductor
FIN224AC 데이터시트, 핀배열, 회로
September 2006
FIN224AC
µSerDes22-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
– 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
Double wide CKP pulse on FIN224AC, Mode 3
Rolled edge rate for deserializer outputs on
FIN224AC, for single display applications
Same voltage range
Same pinout and package
General Description
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
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.
Up to 26MHz parallel interface operation
For bidirectional operation, using half duplex for multiple
Voltage translation from 1.65V to 3.6V
sources, it is possible to reach signal reduction close to
High ESD protection: > 15kV HBM
10:1. Through the use of differential signaling, shielding
and EMI filters can also be minimized, further reducing
Parallel I/O power supply (VDDP) range, 1.65V - 3.w6wVw.DataSheett4hU.ecomcost of serialization. The differential signaling is also
Can support Microcontroller or RGB pixel interface
important for providing a noise-insensitive signal that can
Applications
withstand radio and electrical noise sources. Major
reduction in power consumption allows minimal impact
Image sensors
Small displays
– LCD, cell phone, digital camera, portable gaming,
printer, PDA, video camera, automotive
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.
Ordering Information
Order Number
FIN224ACGFX
Package
Number
BGA042
FIN224ACMLX MLP040
Pb-Free
Yes
Yes
Package Description
42-Ball Ultra Small Scale Ball Grid Array (USS-BGA),
JEDEC MO-195, 3.5mm Wide (Slow LVCMOS Edge Rate)
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.
µSerDesTM is a trademark of Fairchild Semiconductor Corporation.
©2006 Fairchild Semiconductor Corporation
FIN224AC Rev. 1.0.7
1
www.fairchildsemi.com


FIN224AC 데이터시트, 핀배열, 회로
Basic Concept
LVCMOS
22
FIN224AC
Serializer
CTL
4
FIN224AC
Deserializer
Functional Block Diagram
Figure 1. Conceptual Diagram
LVCMOS
22
CKREF
STROBE
DP[21:22]
DP[1:20]
DP[23:24]
CKP
S1
S2
DIRI
PLL
Word
+
0
Boundary
Generator
-
cksint
I
Serializer
Control
Serializer +
-
oe
Deserializer
Deserializer
Control
cksint
+
-
+
-
CKS0+
CKS0-
DSO+/DSI-
DSO-/DSI+
100 Gated
Termination
CKSI+
CKSI-
WORD CK
Generator
Control Logic
Freq Direction
Control Control
Power Down
Control
oe
DIRO
100
Termination
Figure 2. Block Diagram
©2006 Fairchild Semiconductor Corporation
FIN224AC Rev.1.0.7
2
www.fairchildsemi.com




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USerDes 22-Bit Bi-Directional Serializer/Deserializer - Fairchild Semiconductor