HCF4517BEY 查看數據表（PDF） - STMicroelectronics
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HCF4517BEY Datasheet PDF : 8 Pages
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HCF4517B
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
SYMBOL NAME AND FUNCTION
1, 2, 5, 6
10, 11,14, 15
3, 13
7, 9
4, 12
8
16
QnA
QnB
WEA, WEB
DA, DB
CLA, CLB
VSS
VDD
IN/OUT Stage
IN/OUT Stage
Write Enable
Data Input
Clock
Negative Supply Voltage
Positive Supply Voltage
FUNCTIONAL DIAGRAM (One Half)
TRUTH TABLES
CLOCK
L
L
H
H
X : Don’t Care
WRITE
ENABLE
L
H
L
H
L
H
L
H
2/8
DATA
X
X
X
X
DI In
DI In
X
X
STAGE 16 TAP STAGE 32 TAP STAGE 48 TAP STAGE 64 TAP
Q16
Q32
Q48
Q64
Z
Z
Z
Z
Q16
Q32
Q48
Q64
Z
Z
Z
Z
Q16
Q32
Q48
Q64
D17 In
D33 In
D49 In
Z
Q16
Q32
Q48
Q64
Z
Z
Z
Z
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