It has to be HW/SW compatible with the 16C550 UART. The only way to tell is for someone to buy the IC + PLCC-68 to dip adapter to test out on the Z80 V4 board. If this works, then we can add to the Z80 V5 board.
For removing PLCC IC’s from the sockets, I learned back at DEC to use a very, very small screwdriver to lift one side first and then the second slowly to avoid putting a lot of force into the socket. I never had any issues with this technique. The extractor tool never worked for me.
https://www.proto-advantage.com/store/product_info.php?products_id=3600004
Norberto
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The parts I'm looking at are 16C554. All are the same 16C550 UART logic replicated 4 times.
Regarding using a screw driver to pry out PLCC parts... I always
knew you were more than a mere mortal!
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The only hit to buy is on eBay. Did you find another place to buy from?
https://www.ebay.com/p/1104664412
Thanks,
Norberto
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I did not check other places, but digikey seems to have them
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