m74hct574 STMicroelectronics, m74hct574 Datasheet - Page 2

• Manufacturer Part Number: m74hct574
• Description: Ic Flip/flop Octal D-type 20-dip
• Manufacturer: STMicroelectronics

M74HCT574
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
X: Don’t Care
Z: High Impedance
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
2/11
OE
H
L
L
L
INPUTS
CK
X
PIN DESCRIPTION
2, 3, 4, 5, 6,
12, 13, 14,
15, 16, 17,
PIN No
7, 8, 9
18, 19
11
10
20
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