74lcx373 STMicroelectronics, 74lcx373 Datasheet - Page 2

• Manufacturer Part Number: 74lcx373
• Description: Octal D-type Latch Non-inverting 3-state With 5v Tolerant Inputs And Outputs
• Manufacturer: STMicroelectronics

74LCX373
Figure 2: Input And Output Equivalent Circuit
Table 2: Pin Description
Figure 3: Logic Diagram
This logic diagram has not be used to estimate propagation delays
2/13
2, 5, 6, 9, 12,
3, 4, 7, 8, 13,
14, 17, 18
15, 16,19
PIN N°
10
20
11
1
SYMBOL
Q0 to Q7
D0 to D7
GND
V
OE
LE
CC
3 State Output Enable
Input (Active LOW)
Latch Enable Input
Ground (0V)
Positive Supply Voltage
Data Inputs
3-State Outputs
NAME AND FUNCTION
Table 3: Truth Table
X : Don’t Care
Z : High Impedance
* : Q Outputs are latched at the time when the LE input is taken
LOW.
OE
H
L
L
L
INPUT
LE
H
H
X
L
D
H
X
X
L
NO CHANGE*
OUTPUT
Q
H
Z
L