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PDF 4027 Datasheet ( Hoja de datos )

Número de pieza 4027
Descripción Dual J-K Master/Slave Flip-Flop with Set and Reset
Fabricantes National Semiconductor 
Logotipo National Semiconductor Logotipo

Total 6 Páginas
		
4027 Hoja de datos, Descripción, Manual
February 1988
CD4027BM CD4027BC Dual J-K Master Slave
Flip-Flop with Set and Reset
General Description
These dual J-K flip-flops are monolithic complementary
MOS (CMOS) integrated circuits constructed with N- and P-
channel enhancement mode transistors Each flip-flop has
independent J K set reset and clock inputs and buffered
Q and Q outputs These flip-flops are edge sensitive to the
clock input and change state on the positive-going transition
of the clock pulses Set or reset is independent of the clock
and is accomplished by a high level on the respective input
All inputs are protected against damage due to static dis-
charge by diode clamps to VDD and VSS
Features
Y Wide supply voltage range
Y High noise immunity
Y Low power TTL
compatibility
Y Low power
Y Medium speed operation
3 0V to 15V
0 45 VDD (typ )
Fan out of 2 driving 74L
or 1 driving 74LS
50 nW (typ )
12 MHz (typ )
with 10V supply
Schematic and Connection Diagrams
Dual-In-Line Package
TL F 5958 – 1
Order Number CD4027B
Top View
C1995 National Semiconductor Corporation TL F 5958
TL F 5958 – 2
RRD-B30M105 Printed in U S A

1 page

4027 pdf
Typical Applications
Ripple Binary Counters
Shift Registers
TL F 5958 – 3
Truth Table
tnb1 Inputs
CLU J K S R Q Q
L I XOOO I
L XOOO I
I
L OXOOOO
L X I OO I O
K X XOOX
X XX I OX I
X XXO I XO
X
XX
I
IXI
Where I e High Level
O e Low Level
U e Level Change
X e Don’t Care
 e tnb1 refers to the time interval prior to the positive clock pulse transition
X e tn refers to the time intervals after the positive clock pulse transition
TL F 5958 – 4
Xtn Outputs
Q
O
O
I
I
(No Change)
O
I
I
5

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