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KK74AC74 Datasheet(PDF) 1 Page - KODENSHI KOREA CORP.

Part No. KK74AC74
Description  Dual D Flip-Flop with Set and Reset High-Speed Silicon-Gate CMOS
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Maker  KODENSHI [KODENSHI KOREA CORP.]
Homepage  http://www.kodenshi.co.kr
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KK74AC74 Datasheet(HTML) 1 Page - KODENSHI KOREA CORP.

   
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TECHNICAL DATA
KK74AC74
Dual D Flip-Flop with Set and Reset
High-Speed Silicon-Gate CMOS
ORDERING INFORMATION
KK74AC74N Plastic
KK74AC74D SOIC
TA = -40° to 85° C for all packages
The KK74AC74 is identical in pinout to the LS/ALS74, HC/HCT74.
The device inputs are compatible with standard CMOS outputs; with
pullup resistors, they are compatible with LS/ALS outputs.
This device consists of two D flip-flops with individual Set, Reset,
and Clock inputs. Information at a D-input is transferred to the
corresponding Q output on the next positive going edge of the clock input.
Both Q and Q outputs are available from each flip-flop. The Set and Reset
inputs are asynchronous.
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA; 0.1 µA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA
LOGIC DIAGRAM
PIN 14 =VCC
PIN 7 = GND
PIN ASSIGNMENT
FUNCTION TABLE
Inputs
Outputs
Set
Reset
Clock
Data
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H
*
H
*
H
H
H
H
L
H
H
L
L
H
H
H
L
X
No Change
H
H
H
X
No Change
H
H
X
No Change
*Both outputs will remain high as long as Set
and Reset are low, but the output states are
unpredictable if Set and Reset go high
simultaneously.
X = don’t care
1


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