M54HC574D STMICROELECTRONICS [STMicroelectronics], M54HC574D Datasheet - Page 2

• Manufacturer Part Number: M54HC574D
• Description: RAD-HARD OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M54HC574
Figure 1: IEC Logic Symbols
Figure 2: Input And Output Equivalent Circuit
Table 2: Truth Table
X: Don’t Care
Z: High Impedance
2/11
OE
H
L
L
L
INPUTS
CK
X
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
Q7 to Q0
D0 to D7
GND
V
OE
CK
CC
3 State Output Enable
Input (Active LOW)
Data Inputs
3 State Outputs
Clock Input (LOW to
HIGH, edge triggered)
Ground (0V)
Positive Supply Voltage
NAME AND FUNCTION
NO CHANGE
OUTPUT
Q
H
Z
L