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| Part Number | AT49F001AT-55VI | AT49F001NT-55VI | AT49F001T-55VI | AT49F001A-55VI | AT49F001AN-55VI | AT49F001ANT-55VI | AT49F001AT-45VI | AT49F001AT-55JI | AT49F001AT-55TI |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| Technology | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| Memory Size | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) | 1Mb (128K x 8) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - | - | - | - | - | - |
| Write Cycle Time - Word, Page | 50µs | 50µs | 50µs | 50µs | 50µs | 50µs | 50µs | 50µs | 50µs |
| Access Time | 55 ns | 55 ns | 55 ns | 55 ns | 55 ns | 55 ns | 45 ns | 55 ns | 55 ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-LCC (J-Lead) | 32-TFSOP (0.724", 18.40mm Width) |
| Supplier Device Package | 32-VSOP | 32-VSOP | 32-VSOP | 32-VSOP | 32-VSOP | 32-VSOP | 32-VSOP | 32-PLCC (13.97x11.43) | 32-TSOP |
