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aip74hc/hct139
dual 2-to-4 line decoder/demultiplexer

the aip74hc/hct139 decodes two binary weighted address inputs (na0, na1) to four mutually exclusive outputs (ny()0 to ny()3). each decoder features an enable input (ne()). when ne() is high all outputs are forced high. the enable input can be used as the data input for a 1-to-4 demultiplexer application. inputs include clamp diodes. this enables the use of current limiting resistors to interface inputs to voltages in excess of vcc.


  • main features product

  • product documents

  • input levels:

    for aip74hc139: cmos level

    for aip74hct139: ttl level

  • demultiplexing capability

  • 2 independent 2-to-4 decoders

  • multifunction capability

  • suitable for memory decoding, data routing or code conversion

  • active low mutually exclusive outputs

  • specified from -40℃ to 105℃

  • packaging information: dip16/sop16/tssop16


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