Zilog Z80 8-Bit CPU Turns 50, Open-source Replacement Heads To Drop-in DIP40 Silicon

An anonymous reader shared this report from Tom's Hardware:
The Zilog Z80 has just turned 50 years old. This iconic 8-bit processor first went on sale in July 1976 and stayed in production for 48 years until Zilog, now a Littelfuse subsidiary, stopped accepting orders in June 2024. However, there's an open-source replacement closer than ever to shipping in the chip's original 40-pin DIP package thanks to community-funded fabrication...
The chip powered the ZX Spectrum, TRS-80, MSX machines, Nint