Re: 2445 EPROMs

Chuck Harris

The processor in the 2445 is a 2MHz 6802 microprocessor.
It needs 250ns or faster memory.

Any 27128 you find is fast enough.

Why do you think you need to replace them?

-Chuck Harris

christopherbath@... wrote:

I need to replace the EPROMs in a 2445 oscilloscope. These appear to be two 27128 EPROMs with part numbers 160-1994-09 & 160-1995-09. Does anyone know the access time required for these? I am able to purchase 200ns access time 27128 but wanted to be sure these are sufficient. The existing EPROM part number is covered and I wanted to keep this intact in case I need to reuse these.



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