With help from https://cocatalog.loc.gov/
| Die ID | Die year | Chip | Notes |
|---|---|---|---|
| 11449 | R65C21/R65C24 | Peripheral Interface Adapter/Timer (PIAT) | |
| 11450 | R65C02 | R65C00 Microprocessor (CMOS 6502) | |
| 11470 | R65C51 | Asynchronous Communications. Interface Adapter (ACIA) | |
| 11471 | R65C52? | Not listed in cocatalog Maybe R65C52 (Dual Asynchronous Communications Interface Adapter (DACIA)) |
|
| A4821 | A4821 | Calculator | |
| L49__9A | ? | ||
| R650_ | 6502F | 6502 |