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Discussion in 'General Electronics' started by [email protected], Feb 8, 2006.

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  1. Guest

    I have a M27C512 chip that I need to copy, however, it seems as though
    there is a copy protection on the chip. Is there an IC programmer
    that lets you make a 1 to 1 copy of a protect IC chip.

    Every time I try to do a read from the chip, all it reads is FF FF FF.
    Does anyone know how to get around this.

  2. FAIK the component you mentioned is an ordinary EPROM that comes in two
    tastes: The OTP (one time programmable) and the UV erasable (with the
    wellknown window). This type of components cannot have a copy protection as
    the data must stay readable.

    petrus bitbyter
  3. James Beck

    James Beck Guest

    As the other poster said, there is no copy protection on a 27512 (any
    variant) and the data being FF just means that the IC is currently

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