1pc NEC D780C-1 UPD780C-1 Z80A CPU 4MHz 8-Bit Microprocessor IC DIP-40 Japan NOS Model: D780C-1 / UPD780C-1 (Z80A Compatible). Clock Speed: 4MHz. Function: 8-Bit Microprocessor (CPU). Country of Origin: Japan (Explicitly marked on IC). byJuly 4, 2026
