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Max Frequency of a 74AC240 Octal Buffer Chip

  1. Jan 16, 2012 #1
    I am trying to construct an inexpensive inverter for a battery-powered AC experiment. I was planning on using as part of it a 74AC240 buffer chip, however, no matter where I look I cannot seem to find what its maximum operating frequency is. The inverter needs to produce a frequency of several hundred hertz to even a few kilohertz. I'm not sure if that is too much to expect from a simple buffer chip.
  2. jcsd
  3. Jan 16, 2012 #2


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    If you look on page 6 of this http://www.fairchildsemi.com/ds/74/74AC240.pdf

    You will see all the signal delay and propagation times are given in nanoseconds.

    Any TTL logic family chip will work OK up to a few MHz, so speeds of a few kHz are not an issue.
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