■ KGL4217/KGL4221/KGL4222 ■ –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
BLOCK DIAGRAM
DAT
2:1
DEMUX
Q0
Q2
50Ω
DAR
8:1
DEMUX
QE
Q1
Q3
8:1
DEMUX
2
1/2CK, CKN
QF
Controller
HCK
HCR
LCKN
LCK
50Ω
CONT
8
1/16CK
Logic Symbol
Q0 - QF
HCK
Description
Data Outputs
Clock Input
HCR
Reference of Clock Input
Data Input
DAT
DAR
Reference of Clock Input
LCK, LCKN
VTT
Complimentary 1/16 Clock Outputs
Power Supply and Termination Supply
12
Oki Semiconductor