74112 데이터 시트보기 (PDF) - STMicroelectronics
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74112 Datasheet PDF : 11 Pages
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M54/M74HC112
TRUTH TABLE
INPUTS
CLR
PR
J
K
L
H
X
X
H
L
X
X
L
L
X
X
H
H
L
L
H
H
H
L
H
H
L
H
H
H
H
H
H
H
X
X
X: Don’t Care
OUTPUTS
CK
Q
Q
X
L
H
X
H
L
X
H
H
Qn
Qn
H
L
L
H
Qn
Qn
Qn
Qn
PIN DESCRIPTION
PIN No
1, 13
2, 12
3, 11
4, 10
5, 9
6, 7
15, 14
8
16
SYMBOL
1CK, 2CK
1K, 2K
1J, 2J
1PR, 2PR
1Q, 2Q
1Q, 2Q
1CLR,
2CLR
GND
VCC
NAME AND FUNCTION
Clock Input (HIGH to
LOW edge triggered)
Data Inputs: Flip-Flop 1
and 2
Data Inputs: Flip-Flop 1
and 2
Set Inputs
True Flip-Flop Outputs
Complement Flip-Flop
Outputs
Reset inputs
Ground (0V)
Positive Supply Voltage
IEC LOGIC SYMBOL
LOGIC DIAGRAM (1/2 Package)
FUNCTION
CLEAR
PRESET
NO CHANGE
TOGGLE
NO CHANGE
2/11
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