HCF4076B Просмотр технического описания (PDF) - STMicroelectronics
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HCF4076B Datasheet PDF : 9 Pages
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HCF4076B
IINPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
14, 13, 12,
11
10, 9
1, 2
7
15
8
16
SYMBOL
DATA1 to
DATA 4
G1, G2
M, N
CLOCK
RESET
VSS
VDD
NAME AND FUNCTION
D Inputs
Data Input Disable
Control
Output Disable Control
Clock Input
Reset Input
Negative Supply Voltage
Positive Supply Voltage
TRUTH TABLE
RESET
H
L
L
CLOCK
X
L
DATA INPUT DISABLE
G1
G2
X
X
X
X
H
X
DATA D
X
X
X
NEXT STATE
OUTPUT
L
Q
NO CHANGE
Q
NO CHANGE
L
X
H
X
Q
NO CHANGE
L
L
L
H
H
L
L
L
L
L
L
H
X
X
X
Q
NO CHANGE
L
X
X
X
Q
NO CHANGE
X : Don’t Care
When either Output Disable M or N is high, the outputs are disabled (high impedance state) : however sequential operation of the flip-flop is
not affected.
FUNCTIONAL DIAGRAM
2/9
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