M74HC73 Datasheet, PDF (2/11 Pages) STMicroelectronics – DUAL J-K FLIP FLOP WITH PRESET AND CLEAR

M54/M74HC73
TRUTH TABLE
INPUTS
CLR
J
K
CK
L
X
X
X
H
L
L
H
L
H
H
H
L
H
H
H
H
X
X
X: Don’t Care
PIN DESCRIPTION
PIN No
1, 5
2, 6
12, 9
13, 8
SYMBOL
1CK, 2CK
1CLR,
2CLR
1Q, 2Q
1Q, 2Q
14, 7, 3, 10
11
4
1J, 2J, 1K,
2K
GND
V_CC
NAME AND FUNCTION
Clock Input
Asyncronous Reset
Inputs
True Flip-Flop Outputs
Complement Flip-Flop
Outputs
Synchronous Inputs;
Flip-Flop 1 And 2
Ground (0V)
Positive Supply Voltage
OUTPUTS
Q
Q
L
H
Qn
Qn
L
H
H
L
Qn
Qn
Qn
Qn
IEC LOGIC SYMBOL
FUNCTION
CLEAR
NO CHANGE
--
--
TOGGLE
NO CHANGE
LOGIC DIAGRAM
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