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IN74AC257 Datasheet PDF - Integral Corp.

Part NameDescriptionManufacturer
IN74AC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs Integral
Integral Corp. Integral
Other PDF  no available.
IN74AC257 Datasheet PDF : IN74AC257 pdf   
IN74AC257D image

The IN74AC257 is identical in pinout to the LS/ALS257, HC/HCT257. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS 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 µA; 0.1 µA @ 25°C
• High Noise Immunity Characteristic of CMOS Devices
• Output Source/Sink 24 mA

 

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