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| PartNumber | AT29C020-90TC | AT29C020-90TI | AT29C020-90PU |
| Description | NOR Flash 2M(256Kx8) 5V ONLY 90NS COM TEMP | NOR Flash 2M(256Kx8) 5V ONLY- 90NS IND TEMP | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | NOR Flash | NOR Flash | - |
| RoHS | N | N | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSOP-32 | TSOP-32 | - |
| Series | AT29C | AT29C | - |
| Memory Size | 2 Mbit | 2 Mbit | - |
| Interface Type | Parallel | Parallel | - |
| Organization | 256 k x 8 | 256 k x 8 | - |
| Timing Type | Asynchronous | Asynchronous | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Supply Voltage Min | 4.5 V | 4.5 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Current Max | 40 mA | 40 mA | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Memory Type | NOR | NOR | - |
| Speed | 90 ns | 90 ns | - |
| Architecture | Sector | Sector | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Product Type | NOR Flash | NOR Flash | - |
| Standard | Not Supported | Not Supported | - |
| Factory Pack Quantity | 156 | 156 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |