Motorola MC14500 "Industrial Control Unit (ICU)," an early programmable logic device controlled via serial commands

Zoomable image:… ImageImageImageImage
Decapping this chip I believe was inspired by @UsagiElectric who has some videos on it (ex: ), and I believe also provided the chip through a series of exchanges
@kenshirriff and others have already started doing some analysis on the chip, so I'll let them push that out when they see fit. I'll try to follow up with delayering in the near future

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29 Jan
#RaspberryPiPico silicon teardown time!
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