28c256

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  1. K

    8085 memory/address decode 32k x 8 / 32k x 8 ram/rom split question

    Hi, please check my pic below and comment on any potential issues that you find (assuming no I/O at this point). Some connections not shown for clarity: Thanks, Kei
  2. K

    How to Safely remove NVRAM from programmer and put it into a circuit?

    Hi, I am using this circuit and software to write to the NVRAM: GitHub - crmaykish/AT28C-EEPROM-Programmer-Arduino: Programming the AT28C64B or AT28C256 EEPROM chip with an Arduino Mega In order to avoid the hassle of disabling Software Data Protection for writes to the 28c256 EEPROM, I...
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