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HCF4027B Datasheet(PDF) 2 Page - STMicroelectronics

Part # HCF4027B
Description  DUAL J-K MASTER SLAVE FLIP-FLOP
PDF  9 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HCF4027B Datasheet(HTML) 2 Page - STMicroelectronics

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



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