M74HC377 データシートの表示（PDF） - STMicroelectronics
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M74HC377 Datasheet PDF : 11 Pages
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M74HC377
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
G
H
L
L
X
X : Don’t Care
LOGIC DIAGRAM
INPUTS
CLOCK
X
PIN DESCRIPTION
PIN No
1
2, 5, 6, 9, 12,
15, 16, 19
3, 4, 7, 8, 13,
14, 17, 18
11
10
20
SYMBOL
G
1Q to 8Q
1D to 8D
CLOCK
GND
Vcc
NAME AND FUNCTION
Data Enable Input (Active
LOW)
Flip Flop Outputs
Data Inputs
Clock Input (LOW to
HIGH, Edge Triggered)
Ground (0V)
Positive Supply Voltage
DATA
X
L
H
X
OUTPUTS
Q
NO CHANGE
L
H
NO CHANGE
This logic diagram has not be used to estimate propagation delays
2/11
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