74ACT574 STMicroelectronics, 74ACT574 Datasheet - Page 2

• Manufacturer Part Number: 74ACT574
• Description: OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
• Manufacturer: STMicroelectronics

74ACT574
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X:DON’T CARE
Z: HIGH IMPEDANCE
LOGIC DIAGRAMS
2/11
OE
H
L
L
L
INPUTS
CK
X
PIN DESCRIPTION
12, 13, 14,
15, 16, 17,
PIN No
2, 3, 4,
5, 6, 7,
18, 19
8, 9
11
10
20
1
D
X
X
H
L
SYMBOL
Q0 to Q7
D0 to D7
CLOCK
GND
V
OE
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 FUNCT ION
NO CHANGE
OUT PUTS
Q
H
Z
L