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Part Name
Description
74VHCT573AM View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
74VHCT573AM
OCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTING
STMicroelectronics
74VHCT573AM Datasheet PDF : 11 Pages
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74VHCT573A
INPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 3, 4, 5, 6,
7, 8, 9
12, 13, 14,
15, 16, 17,
18, 19
11
10
20
SYMBOL
OE
D0 to D7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
Q0 to Q7 3-State Latch Outputs
LE
GND
V
CC
Latch Enable Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
INPUTS
OE
LE
D
H
X
X
L
L
X
L
H
L
L
H
H
X : Don’t Care;
Z : High Impedance
* : Q Outputs are latched at the time when the LE Input is taken Low logic level.
LOGIC DIAGRAM
OUTPUT
Q
Z
NO CHANGE*
L
H
2/11
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