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| PartNumber | AT45DB041B-CI | AT45DB041B-RC | AT45DB041B-SC |
| Description | NOR Flash 4M bit | NOR Flash 4M bit | NOR Flash 4MBIT WAFER 7 MIL - 2.7V COM TEMP |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | NOR Flash | NOR Flash | NOR Flash |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | CBGA-14 | SOIC-28 | SOIC-8 |
| Series | AT45DB | AT45DB | AT45DB |
| Memory Size | 4 Mbit | 4 Mbit | 4 Mbit |
| Maximum Clock Frequency | 20 MHz | 20 MHz | 20 MHz |
| Interface Type | SPI | SPI | SPI |
| Organization | 512 k x 8 | 512 k x 8 | 512 k x 8 |
| Timing Type | Synchronous | Synchronous | Synchronous |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 3.6 V |
| Supply Current Max | 10 mA | 10 mA | 10 mA |
| Minimum Operating Temperature | - 40 C | 0 C | 0 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 70 C |
| Memory Type | NOR | NOR | NOR |
| Speed | 20 MHz | 20 MHz | 20 MHz |
| Architecture | Sector | Sector | Sector |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Product Type | NOR Flash | NOR Flash | NOR Flash |
| Standard | Not Supported | Not Supported | Not Supported |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Factory Pack Quantity | - | 26 | 95 |
| Unit Weight | - | 0.078125 oz | 0.019048 oz |