6502 CPU

Spec Sheet
6502%20MOS%20real%20pre NTI%20A1%20a

MOS

From a photo of a real pre-NTI Apple-1.
MCS 6502, white ceramic, gray cap, rounded edges, 1476 date code.
Total # on board: 1.

6502%20MOS%20real%20pre NTI%20A1%20b

MOS

From another photo of a real pre-NTI Apple-1. Gray cap, 1576 date code.

6502%20MOS%20real%20NTI%20A1

MOS

From a photo of a real NTI Apple-1.
3776 date code, MCS 6502, white ceramic but different appearance than earlier.

6502%20MOS%203875

MOS

3875 date code, MCS 6502, gold plated cap, rounded edges.  Has the ROR error.  Currently running my Mimeo replica.

6502%20Synertek%207808

Synertek

6502, 7808 date code.  Period-correct part for an early Apple ][.

6502%20Synertek%208303

Synertek

SY6502, 8303 date code.

6502%20Rockwell%2080s

Rockwell

R6502-xx, various 1980s date codes.