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KK74AC640

Features: `Outputs Directly Interface to CMOS, NMOS, and TTL`Operating Voltage Range: 2.0 to 6.0 V `Low Input Current: 1.0 A; o.1 A @ 25 `High Noise Immunity Characteristic of CMOS Devices `Outputs Source/Sink 24 mA PinoutSpecifications Symbol Parameter Value Unit VCC DC Supply Vol...

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SeekIC No. : 004385734 Detail

KK74AC640: Features: `Outputs Directly Interface to CMOS, NMOS, and TTL`Operating Voltage Range: 2.0 to 6.0 V `Low Input Current: 1.0 A; o.1 A @ 25 `High Noise Immunity Characteristic of CMOS Devices `Outputs ...

KK74AC640 Data Sheet

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Part Number:
KK74AC640
Supply Ability:
5000

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

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Upload time: 2025/12/30

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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 A; o.1 A @ 25  
`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 +0.5
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, V 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
*Maximum Ratings are those values beyond which damage to the device may occur.
  Functional operation should be restricted to the Recommended Operating Conditions.
  +Derating - Plastic DIP: - 10 mW/  from 65  to 125   
   SOIC Package: : - 7 mW/  from 65 to 125 
 


Description

The  KK74AC640 is identical in pinout to the LS/ALS640, HC/HCT640. The device inputs are compatible with andard MOS outputs; with pullup resistors, they are compatible with LS/ALS outputs.

The  KK74AC640 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 ction control determines whether data flows from A to B or from B to A.




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