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aip74hc/hct257
quad 2-input multiplexer; 3-state

the aip74hc/hct257 is a quad 2-input multiplexer with 3-state outputs. inputs include clamp diodes. this enables the use of current limiting resistors to interface inputs to voltages in excess of vcc.


  • 主要特点

  • 产品文档

  • input levels:

    for aip74hc257: cmos level

    for aip74hct257: ttl level

  • non-inverting data path

  • 3-state outputs interface directly with system bus

  • specified from -40℃ to 105℃

  • packaging information: dip16/sop16/tssop16


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