hcf4027b STMicroelectronics, hcf4027b Datasheet - Page 2

• Manufacturer Part Number: hcf4027b
• Description: Dual-j-k Master-slave Flip-flop
• Manufacturer: STMicroelectronics

HCF4027B
INPUT EQUIVALENT CIRCUIT
FUNCTIONAL DIAGRAM
TRUTH TABLE
X : Don"t Care
* : Level Change
2/9
H
X
X
X
X
X
X
J
L
K
X
X
H
X
X
X
X
L
Inputs
PRESENT STATE
H
H
S
L
L
L
L
L
L
R
H
H
L
L
L
L
L
L
Output
Q
H
H
X
X
X
X
L
L
PIN DESCRIPTION
CLOCK*
PIN No
15, 14
10,11
X
X
X
13, 3
12, 4
6, 5
9, 7
1, 2
16
8
SET1, SET2 Set Inputs
SYMBOL
CLOCK1,
RESET1,
CLOCK2
RESET2
Q
H
H
H
H
Q2, Q2
Q1, Q1
L
L
L
J2, K2
J1, K1
V
V
SS
DD
NEXT STATE
Q
H
H
H
H
L
L
L
Inputs
inputs
Clock Inputs
Reset Inputs
Outputs
Outputs
Negative Supply Voltage
Positive Supply Voltage
NAME AND FUNCTION
Outputs
NO CHANGE