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KK74AC643

Features: • Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 2.0 to 6.0 V• Low Input Current: 1.0 µA; o.1 µA @ 25°C• High Noise Immunity Characteristic of CMOS Devices• Outputs Source/Sink 24 mAPinoutSpecifications Symbol P...

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SeekIC No. : 004385735 Detail

KK74AC643: Features: • Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 2.0 to 6.0 V• Low Input Current: 1.0 µA; o.1 µA @ 25°C• High Noise Immunit...

KK74AC643 Data Sheet

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Part Number:
KK74AC643
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 µA; o.1 µA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Outputs Source/Sink 24 mA


Pinout

Connection Diagram


Specifications

Symbol Parameter VALUE UNIT
VCC DC Supply Voltage (Referenced to GND) -0.5 to +7.0 V
VIN DC Input Voltage (Referenced to GND) -0.5 to VCC +1.5 V
VOUT DC Output Voltage (Referenced to GND) -0.5 to VCC +0.5 V
IIN DC Input Current, per Pin ±20 mA
IOUT DC Output Sink/Source Current, per Pin ±50 mA
ICC DC Supply Current, VCC and GND Pins ±50 mA
PD Power Dissipation in Still Air, Plastic DIP+
SOIC Package+		 750
500		 mW
Tstg Storage Temperature -65 to +150
TL Lead Temperature, 1 mm from Case for 10 Seconds
(Plastic DIP or SOIC Package)		 260



Description

The KK74AC643 is identical in pinout to the LS/ALS643, HC/HCT643. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. The KK74AC643 is a 3-state transceiver that is used for 2-way asynchronous communication between data buses.

The device has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states. The Direction control determines whether data flows from A to B or from B to A.




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