HCF4512B_02 Datasheet, PDF (2/9 Pages) STMicroelectronics – 8 CHANNEL DATA SELECTOR

HCF4512B
IINPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
PIN DESCRIPTION
PIN No
1, 2, 3, 4, 5,
6, 7, 9
11, 12, 13
10
15
14
8
16
SYMBOL NAME AND FUNCTION
D0 to D7 Channel Inputs
A, B, C
INHIBIT
3-STATE
DISABLE
SEL OUT-
PUT
V_SS
V_DD
Select Control
Inhibit Output
3 State Disable Output
Select Output
Negative Supply Voltage
Positive Supply Voltage
TRUTH TABLE
SELECT CONTROL
A
B
C
L
L
L
H
L
L
L
H
L
H
H
L
L
L
H
H
L
H
L
H
H
H
H
H
X
X
X
X
X
X
X : Don’t Care
Z : High Impedance
INHIBIT
L
L
L
L
L
L
L
L
H
X
3-STATE DISABLE
L
L
L
L
L
L
L
L
L
H
SELECT OUTPUT
D0
D1
D2
D3
D4
D5
D6
D7
0
Z
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