New old stock Rockwell 6502A (2MHz) CPU Ideal Replacement for 6502 & 6502A found in many 8bit computers These are ‘new old stock’ not ‘pulls’ and have been ‘batch’ tested by ourselves Acorn System 1, Apple II, Atom, Electron, BBC A/B/B+, Electron, KIM 1, NES, Oric 1/Atmos, PET 2001-8296, SYM-1, VIC20 1541/II, 4040, 8050, 8250, 8250/LP, 2031/LP, and many more Rockwell 650x Datasheet