m74hc373 STMicroelectronics, m74hc373 Datasheet - Page 2

• Manufacturer Part Number: m74hc373
• Description: Octal D-type Latch With 3 State Output Non Inverting
• Manufacturer: STMicroelectronics

M74HC373
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
2/11
OE
H
L
L
L
INPUTS
LE
X
H
H
L
PIN DESCRIPTION
2, 5, 6, 9, 12,
3, 4, 7, 8, 13,
15, 16, 19
14, 17, 18
PIN No
11
10
20
1
D
X
X
H
L
SYMBOL
Q0 to Q7
D0 to D7
GND
V
OE
LE
CC
3 State Output Enable
Input (Active LOW)
3 State Outputs
Data Inputs
Latch Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE (*)
OUTPUTS
Q
H
Z
L