M74AC574M 데이터 시트보기 (PDF) - STMicroelectronics
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M74AC574M Datasheet PDF : 11 Pages
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74AC574
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
OE
H
L
L
L
LOGIC DIAGRAM
INPUTS
CK
X
PIN DESCRIPTION
PIN No
1
2, 3, 4,
5, 6, 7,
8, 9
12, 13, 14,
15, 16, 17,
18, 19
11
10
20
S Y M B OL
OE
D0 to D7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
Q0 to Q7 3 State Outputs
CLOCK
GND
VCC
Clock Input (LOW to
HIGH, edge triggered)
Ground (0V)
Positive Supply Voltage
OUT PUTS
D
Q
X
Z
X
NO CHANGE
L
L
H
H
2/11
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