M74HC76B1R 데이터 시트보기 (PDF) - STMicroelectronics
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M74HC76B1R Datasheet PDF : 11 Pages
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M74HC76
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 6
2, 7
3, 8
4, 9
10, 14
11, 15
16, 12
13
5
SYMBOL NAME AND FUNCTION
1CK, 2CK
Clock Input(HIGH to LOW
edge triggered)
1PR, 2PR Set Inputs (Active LOW)
1CLR, 2CLR
Asynchronous Reset
Inputs (Active LOW)
1J, 2J
Data Inputs: Flip-Flop 1
and 2
1Q, 2Q
Complement Flip-Flop
Outputs
1Q, 2Q True Flip-Flop Outputs
1K, 2K
Data Inputs: Flip-Flop 1
and 2
GND Ground (0V)
Vcc
Positive Supply Voltage
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
L
H
H
H
H
L
H
H
H
H
H
H
X
X
X : Don’t Care
LOGIC DIAGRAM
OUTPUTS
CK
Q
Q
X
L
H
X
H
L
X
H
H
Qn
Qn
L
H
H
L
Qn
Qn
Qn
Qn
FUNCTION
CLEAR
PRESET
----
NO CHANGE
----
----
TOGGLE
NO CHANGE
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