M74HC73 Ver la hoja de datos (PDF) - STMicroelectronics
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M74HC73 Datasheet PDF : 11 Pages
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M74HC73
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
CLR
J
L
X
H
L
K
CK
X
X
L
H
L
H
H
H
L
H
H
H
H
X
X
X : Don’t Care
LOGIC DIAGRAM
PIN DESCRIPTION
PIN No
1, 5
2, 6
12, 9
13, 8
14, 7, 3, 10
11
4
SYMBOL NAME AND FUNCTION
1CK, 2CK Clock Input
1CLR, 2CLR
Asynchronous Reset
Inputs
1Q, 2Q True Flip-Flop Outputs
1Q, 2Q
Complement Flip-Flop
Outputs
1J, 2J, 1K, Synchronous Inputs
2K
Flip-Flop 1 and 2
GND Ground (0V)
Vcc
Positive Supply Voltage
OUTPUTS
Q
Q
L
H
Qn
Qn
L
H
H
L
Qn
Qn
Qn
Qn
FUNCTION
CLEAR
NO CHANGE
----
----
TOGGLE
NO CHANGE
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