74VHCT174A 查看數據表（PDF） - STMicroelectronics
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74VHCT174A Datasheet PDF : 10 Pages
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74VHCT174A
INPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CLEAR
L
H
H
H
X:Don’t Care
INPUTS
D
X
L
H
X
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1
2,5, 7,10,
12, 15
3,4, 6,11,
13, 14
9
8
16
S YM BO L
CLEAR
Q0 to Q5
NAME AND FUNCTION
Asyncronous Master
Reset (Active LOW)
Flip-Flop Outputs
D0 to D5 Data Inputs
CLOCK
GND
VCC
Clock Input
(LOW-to-HIGH, Edge-
Triggered)
Ground (0V)
Positive Supply Voltage
CLOCK
X
OUTPUTS
Q
L
L
H
Qn
FUNCTION
CLEAR
NO CHANGE
Thislogic diagram has notbe used to estimate propagation delays
2/10
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