HCF4027 STMicroelectronics, HCF4027 Datasheet - Page 3

• Manufacturer Part Number: HCF4027
• Description: DUAL-J-K MASTER-SLAVE FLIP-FLOP
• Manufacturer: STMicroelectronics

LOGIC DIAGRAM AND TRUTH TABLE
ONE OF TWO IDENTICAL J-K FLIP-FLOPS
TRUTH TABLE
LOGIC I = HIGH LEVEL
LOGIC O = LOW LEVEL
X - DON’T CARE
- LEVEL CHANGE
O
X
X
X
X
X
X
J
I
O
K
X
X
X
X
X
X
I
Inputs
Present State
O
O
O
O
O
O
S
I
I
O
O
O
O
O
O
R
I
I
Output
Q
O
O
X
X
X
X
I
I
CL
–
/ –
–
–
–
X
X
X
– /
– /
– /
\ –
–
Q
O
O
O
I
I
I
I
Q
O
O
O
I
I
I
I
Next State
Outputs
HCC/HCF4027B
No Change
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