FIN224AC_08 Datasheet, PDF (2/19 Pages) Fairchild Semiconductor – 22-Bit Bi-Directional Serializer/Deserializer

Basic Concept
LVCMOS
22
CTL
FIN224AC
Serializer
4
FIN224AC
Deserializer
Figure 1. Conceptual Diagram
LVCMOS
22
Functional Block Diagram
CKREF
STROBE
DP[21:22]
DP[1:20]
DP[23:24]
CKP
S1
S2
DIRI
+
PLL
0
-
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
oe
Power Down
Control
DIRO
100
Termination
Figure 2. Block Diagram
© 2006 Fairchild Semiconductor Corporation
FIN224AC Rev.1.1.5
2
www.fairchildsemi.com