Re: 16 bit ISA extender
Posted on Yesterday, 20:58
You don't need -12V. But an optional 7905 for -5V would be a good idea. You need to use protection diodes when using 790X regulators in this type of setting. Check the datasheet to see what I'm talking about. Put a jumper block to make/break the 7905 if not required. The 7905 will need heatsinking. …