HCF4006B Datasheet, PDF (2/8 Pages) STMicroelectronics – 18-STAGE STATIC SHIFT REGISTER

HCF4006B
INPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1, 4, 5, 6
2
13, 11, 10, 8
12, 9
3
7
14
SYMBOL
D1 to D4
D1+4’
Dn + 4
Dn + 5
CLOCK
V_SS
V_DD
NAME AND FUNCTION
Data inputs
Delayed Optional Output
4 stage shift register
Output
5 stage shift register
Output
Clock Input
Negative Supply Voltage
Positive Supply Voltage
TRUTH TABLE FOR SHIFT REGISTER STAGE
D
CLOCK*
D+1
L
L
H
H
X
NO CHANGE
TRUTH TABLE FOR OUTPUT FROM PIN 2
D1 + 4
L
H
X
* : Level Change
X : Don’t Care
CLOCK*
D1 + 4’
L
H
NO CHANGE
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