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M54HC76 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. M54HC76
Description  DUAL J-K FLIP FLOP WITH PRESET AND CLEAR
Download  11 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC76 Datasheet(HTML) 2 Page - STMicroelectronics

 
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PIN DESCRIPTION
PIN No
SYMBOL
NAME AND FUNCTION
1, 6
1CK, 2CK
Clock Input (HIGH to
LOW edge triggered)
2, 7
1PR, 2PR
Set Inputs (Active LOW)
3, 8
1CLR,
2CLR
Asynchronous Reset
Inputs (Active LOW)
4, 9
1J, 2J
Data Inputs: Flip-Flop 1
and 2
10, 14
1Q, 2Q
Complement Flip-Flop
Outputs
11, 15
1Q, 2Q
True Flip-Flop Outputs
16, 12
1K, 2K
Data Inputs: Flip-Flop 1
and 2
5
GND
Ground (0V)
13
VCC
Positive Supply Voltage
IEC LOGIC SYMBOL
TRUTH TABLE
INPUTS
OUTPUTS
FUNCTION
CLR
PR
J
K
CK
Q
Q
L
H
X
X
X
L
H
CLEAR
H
L
X
X
X
H
L
PRESET
LL
X
X
X
H
H
HH
L
L
Qn
Qn
NO CHANGE
H
HLH
L
H
HH
H
L
H
L
HH
H
H
Qn
Qn
TOGGLE
HH
X
X
Qn
Qn
NO CHANGE
X: Don’t Care
LOGIC DIAGRAM (1/2 Package)
M54/M74HC76
2/11


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