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| Part Number | AT49BV040A-90TU | AT49BV040A-90VU | AT49BV040A-70TU | AT49BV040A-90TI |
|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | Flash | Flash | Flash | Flash |
| Technology | Flash | Flash | Flash | Flash |
| Memory Size | 4Mb (512K x 8) | 4Mb (512K x 8) | 4Mb (512K x 8) | 4Mb (512K x 8) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - |
| Write Cycle Time - Word, Page | 50µs | 50µs | 50µs | 50µs |
| Access Time | 90 ns | 90 ns | 70 ns | 90 ns |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -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 |
| Package / Case | 32-TFSOP (0.724", 18.40mm Width) | 32-TFSOP (0.488", 12.40mm Width) | 32-TFSOP (0.724", 18.40mm Width) | 32-TFSOP (0.724", 18.40mm Width) |
| Supplier Device Package | 32-TSOP | 32-VSOP | 32-TSOP | 32-TSOP |
