M54HC573D STMICROELECTRONICS [STMicroelectronics], M54HC573D Datasheet - Page 2

• Manufacturer Part Number: M54HC573D
• Description: RAD-HARD OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M54HC573
Figure 1: IEC Logic Symbols
Figure 2: Input And Output Equivalent Circuit
Table 2: 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.
2/12
OE
H
L
L
L
INPUTS
LE
H
H
X
L
Table 1: Pin Description
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN N°
7, 8, 9
18, 19
10
20
11
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)
Data Inputs
3 State Latch Outputs
Latch Enable Input
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE (*)
OUTPUTS
Q
H
Z
L