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HC257 Datasheet PDF - System Logic Semiconductor

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HC257 Datasheet PDF : HC257 pdf     
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The SL74HC257 is identical in pinout to the LS/ALS257. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs.
This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input. The nibble is presented at the outputs in noninverted from when the Output Enable pin is at a low level. A high level on the Output Enable pin switches the outputs into the highimpedance state.

• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 mA
• High Noise Immunity Characteristic of CMOS Devices

 

Part Name
Description
PDF
Manufacturer
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
IK Semicon Co., Ltd
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
Integral Corp.
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
IK Semicon Co., Ltd
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
Integral Corp.
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
Integral Corp.
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
Integral Corp.
QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS
Integral Corp.
QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS
Integral Corp.
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs
System Logic Semiconductor
Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS
IK Semicon Co., Ltd

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