74LCX373_04 Datasheet, PDF (2/13 Pages) STMicroelectronics – OCTAL D-TYPE LATCH NON-INVERTING (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

74LCX373
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
PIN N°
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
Figure 3: Logic Diagram
Table 3: Truth Table
INPUT
OUTPUT
OE
LE
H
X
L
L
L
H
L
H
D
Q
X
Z
X
NO CHANGE*
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.
This logic diagram has not be used to estimate propagation delays
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