Martin,
        My ISD databook says that the ISD2500 has a 100-year message retention
with 100,000 record cycles.

Ken Dougal

Martin McCormick wrote:
>
>         I am planning to build a PIC project using ISD2500 chips as a
> temporary audio storage buffer.  Since the technology is a specialized form
> of EROM, does anybody know if they have a finite number of reuse cycles?
> Since my project might easily cause one of the devices to go through 20
> to 30 record and play cycles a day, a reuse limit of a few hundred cycles
> such as we have in flash ROM's might make me rethink the whole design.  The
> longer the record time, the smaller the number of reuse cycles, but the whole
> idea is to reduce the amount of mechanical activity on an attached tape
> recorder.
>
> Martin McCormick