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| Part Number | AT25SF641B-SHB-T | AT25SF641B-MHB-T | AT25SF641B-SPB-T | AT25SF641B-SHB-B | AT25SF641B-DWF |
| Manufacturer | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Series | - | - | - | - | - |
| Package/Case | 8-SOIC (0.209", 5.30mm Width) | 8-UDFN Exposed Pad | 8-SOIC (0.209", 5.30mm Width) | 8-SOIC (0.209", 5.30mm Width) | Die |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tube | Bulk |
| Product Status | Active | Active | Active | Active | Active |
| Programmable | Verified | Not Verified | Not Verified | - | - |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | FLASH | FLASH | FLASH | FLASH | FLASH |
| Technology | FLASH - NOR | FLASH - NOR | FLASH | FLASH - NOR (SLC) | FLASH - NOR (SLC) |
| Memory Size | 64Mbit | 64Mbit | 64Mbit | 64Mbit | 64Mbit |
| Memory Organization | 8M x 8 | 8M x 8 | 8M x 8 | 8M x 8 | 8M x 8 |
| Memory Interface | SPI - Quad I/O | SPI - Quad I/O | SPI - Quad I/O | SPI - Quad I/O | SPI - Quad I/O |
| Clock Frequency | 108 MHz | 108 MHz | 104 MHz | 104 MHz | 104 MHz |
| Write Cycle Time - Word, Page | 50µs, 3ms | 50µs, 3ms | 50µs, 3ms | 50µs, 30ms | 50µs, 30ms |
| Access Time | - | - | 7 ns | 7 ns | 7 ns |
| Voltage - Supply | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 8-SOIC | 8-UDFN (5x6) | 8-SOIC | 8-SOIC | Wafer |
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