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poly.play on Tour:
August 22–23, 2026 – VCFe in Hünfeld (Germany)
October 9–11, 2026 – Classic Computing in Celle (Germany)

MME UB855D (Z80 PIO)

PIO for Z80 systems.
Parallel interface circuit used in conjunction with the U880 processor. Realizes two Centronics or IFSP interfaces.

  • Compatibility: Zilog Z80 PIO
  • Clocking: 2.5 MHz
  • Housing: DIL 44

(Illustration similar)

3,00 €
incl. 19% VAT , plus shipping costs