MC14500B

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The MC14500B Industrial Control Unit is a single bit processor with 16 instructions, and a 4-bit wide instruction bus. It's basically meant to replace relay logic for controlling the sequencing of equipment. In spite of this, it is actually possible to do some math with it, although at 100Khz, it's somewhat slow.

Projects

MC14500B Homebrew Trainer

Trivia

  • I was watching TV a number of years back, when a heating/air-conditioning company (Carrier, I think) bragged about their HVAC unit with a "computer" in it. The ad showed a P.C. board spinning slowly end over end, and as it went by, you could actually read the logo and part number on one of the chips. And it was a MC14500B...

Other resources

Data Sheets