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    | Partname: | M74HC257TTR |  
    | Description: | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |     
    | Manufacturer: | SGS-Thomson Microelectronics |  
    | Datasheet: | PDF (198K). Click here to download *) |  
    The M74HC257 is an high speed CMOS QUAD 2 CHANNEL MULTIPLEXER (3-STATE) fabricated with silicon gate C2MOS technology. This IC is composed of an independent 2-channel multiplexer with common SELECT and ENABLE (OE) input.  |  
    
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    Click here to download M74HC257TTR Datasheet*) | 
  
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