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KK74ACT157

Features: • TTL/NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 4.5 to 5.5 V• Low Input Current: 1.0 A; 0.1 A @ 25• Outputs Source/Sink 24 mAPinoutSpecifications Symbol Parameter Value Unit VCC DC S...

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SeekIC No. : 004385755 Detail

KK74ACT157: Features: • TTL/NMOS Compatible Input Levels• Outputs Directly Interface to CMOS, NMOS, and TTL• Operating Voltage Range: 4.5 to 5.5 V• Low Input Current: 1.0 A; 0.1 A @ 25&#...

KK74ACT157 Data Sheet

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Part Number:
KK74ACT157
Supply Ability:
5000

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

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Upload time: 2024/11/20

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Product Details

Description



Features:

• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 A; 0.1 A @ 25
• 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, 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  
*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 KK74ACT157 is identical in pinout to the LS/ALS157, HC/HCT157. The KK74ACT157 may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.

This device routes 2 nibbles (A or B) to a single port (Y) as determined by the Select input. The data is presented at the outputs in noninvertered form. A high level on the Output Enable input sets all four Y outputs to a low level.




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