You're currently on: Catalog » Retro ICs » CA82C55A-5CN - Programmable peripheral I/O interface
8255-compatible programmable parallel I/O interface with three 8-bit ports.
Typical uses: Connecting parallel ports, switches or simple peripherals to older CPU buses.
Surplus lot: new old stock and leftovers from opened packages. Packaging and cosmetic condition may vary. The image shows a representative package, not necessarily the exact marking.
Datasheet / reference
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