8255A-5 Programmable Peripheral Interface PIO (AMD)
1 Each AMD 8255A-5 (Pulled from PCB SOCKET)
The 8255 is a general purpose input/output IC
The Programmable Peripheral Interface chip is a peripheral chip originally developed for the Intel 8085 microprocessor, and as such is a member of a large array of such chips, known as the MCS-85 Family.
8255A-5.PDF (data Sheet) - Can be emailed.
