74LCX373 Datasheet, PDF (2/10 Pages) Fairchild Semiconductor – Low Voltage Octal Transparent Latch with 5V Tolerant Inputs and Outputs

74LCX373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 6, 9, 12,
15, 16,19
3, 4, 7, 8, 13,
14, 17, 18
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 Outputs
LE
GND
V_CC
Latch Enable Input
Ground (0V)
Positive Supply Voltage
LOGIC DIAGRAM
TRUTH TABLE
INPUT
OUTPUT
OE
LE
D
Q
H
X
X
Z
L
L
X
NO CHANGE*
L
H
L
L
L
H
H
H
X : Don’t Care
Z : High Impedance
* : Q Outputs are latched at the time when the LE input is taken
LOW.
This logic diagram has not be used to estimate propagation delays
2/10