m74hc573 STMicroelectronics, m74hc573 Datasheet - Page 2
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m74hc573
Manufacturer Part Number
m74hc573
Description
Octal D-type Latch With 3 State Output Hc563 Inverting - Hc573 Non Inverting
Manufacturer
STMicroelectronics
Datasheet
1.M74HC573.pdf
(12 pages)
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M74HC573
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
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
2/12
OE
H
L
L
L
INPUTS
LE
X
H
H
L
PIN DESCRIPTION
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN No
7, 8, 9
18, 19
11
10
20
1
D
H
X
X
L
SYMBOL
Q0 to Q7
D0 to D7
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 FUNCTION
NO CHANGE (*)
OUTPUTS
Q
H
Z
L