HCF4555B_01 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
HCF4555B_01 Datasheet PDF : 10 Pages
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HCF4555B
IINPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS ENABLE SELECT
E
B
A
L
L
L
L
L
H
L
H
L
L
H
H
H
X
X
X : Don’t Care
FUNCTIONAL DIAGRAM
PIN DESCRIPTION
PIN No
2, 3
1
4, 5, 6, 7
14, 13
15
12, 11, 10, 9
8
16
SYMBOL
A, B
E
Q0 to Q3
A, B
E
Q0 to Q3
VSS
VDD
NAME AND FUNCTION
Select Inputs (1/2 of dual)
Enable Input (1/2 of dual)
Outputs (1/2 of dual)
Select Inputs (1/2 of dual)
Enable Input (1/2 of dual)
Outputs (1/2 of dual)
Negative Supply Voltage
Positive Supply Voltage
OUTPUTS
Q3
Q2
Q1
Q0
L
L
L
H
L
L
H
L
L
H
L
L
H
L
L
L
L
L
L
L
2/10
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