| AT49F001A | Atmel | 128K x 8 (1M bit), 5-Volt-Only, Bottom Boot Parametric Block Flash. |
| AT49F001AN | Atmel | 128K x 8 (1M bit), 5-Volt-Only, Bottom Boot Parametric Block Flash. |
| AT49F001ANT | Atmel | 128K x 8 (1M bit), 5-Volt-Only, Top Boot Parametric Block Flash. |
| AT49F001AT | Atmel | 128K x 8 (1M bit), 5-Volt-Only, Top Boot Parametric Block Flash. |
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