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M74HC374(2001) Просмотр технического описания (PDF) - STMicroelectronics
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Компоненты Описание
Список матч
M74HC374
(Rev.:2001)
OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
STMicroelectronics
M74HC374 Datasheet PDF : 11 Pages
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M74HC374
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
OE
H
L
L
L
X: Don’t Care
Z: High Impedance
LOGIC DIAGRAM
INPUTS
CK
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
OE
Q0 to Q7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
3 State Outputs
D0 to D7 Data Inputs
CK
GND
V
CC
Clock Input (LOW to
HIGH, edge triggered)
Ground (0V)
Positive Supply Voltage
OUTPUT
D
Q
X
Z
X
NO CHANGE
L
L
H
H
This logic diagram has not be used to estimate propagation delays
2/11
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