HCF4027B(2002) データシートの表示（PDF） - STMicroelectronics
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HCF4027B Datasheet PDF : 9 Pages
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HCF4027B
INPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
PIN DESCRIPTION
PIN No
6, 5
10,11
13, 3
12, 4
9, 7
1, 2
15, 14
8
16
SYMBOL NAME AND FUNCTION
J2, K2 Inputs
J1, K1 inputs
CLOCK1,
CLOCK2
Clock Inputs
RESET1,
RESET2
Reset Inputs
SET1, SET2 Set Inputs
Q2, Q2 Outputs
Q1, Q1 Outputs
VSS
Negative Supply Voltage
VDD
Positive Supply Voltage
TRUTH TABLE
PRESENT STATE
Inputs
J
K
S
R
H
X
L
L
X
L
L
L
L
X
L
L
X
H
L
L
X
X
L
L
X
X
H
L
X
X
L
H
X
X
H
H
X : Don"t Care
* : Level Change
2/9
Output
CLOCK*
Q
Q
L
H
H
H
L
L
H
L
X
X
X
H
X
X
L
X
X
H
NEXT STATE
Outputs
Q
L
L
H
H
NO CHANGE
L
H
H
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