74AC573 STMicroelectronics, 74AC573 Datasheet - Page 2

• Manufacturer Part Number: 74AC573
• Description: OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
• Manufacturer: STMicroelectronics

74AC573
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INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X: Don’t care
Z: High impedance
* Q output are latched at the time when the LE inputs taken low logic level.
LOGIC DIAGRAM
OE
H
L
L
L
INPUT S
L E
H
H
X
L
PIN DESCRIPTION
12, 13, 14,
15, 16, 17,
PIN No
2, 3, 4,
5, 6, 7,
18, 19
8, 9
11
10
20
1
D
H
X
X
L
SYMBOL
D0 to D7
Q0 to Q7
GND
V
OE
LE
CC
3 State Output Enable
Input (Active LOW)
Data Inputs
3 State Latch Outputs
Latch Enable
Input
Ground (0V)
Positive Supply Voltage
NAME AND F UNCTIO N
NO CHANGE *
OUT PUT S
Q
H
Z
L