1 x Z8420A - NMOS/CMOS Z80 PIO PARALLEL INPUT/OUTPUT - ZILOG

Harris CP82C55A : Programmable Peripheral Interface - DIL 40

1 x D8255AC - PROGRAMMABLE PÉRIPHÉRAL INTERFACE UPD8255AC-5 - NEC

Fujitsu MBM2149-45 Mos 4096-Bit Sram CDIP-18 Static Random-Access Memory Ic

Cdp6805e2 microcontroller-microcomputer 8biTS = EF6805 6805P2 Ef6805u2p

1 x Z8430A - NMOS/CMOS Z80 CTC COUNTER/TIMER CIRCUIT - ZILOG

P8041A DIP40 original INTEL P8041-A P8041 A P8041 8041A P 8041 A