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| Part Number | FM25640B-G | FM25640B-G2 | FM25640B-GA | FM25040B-G |
|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Flip Electronics | Infineon Technologies |
| Product Status | Active | Obsolete | Obsolete | Active |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | FRAM | FRAM | FRAM | FRAM |
| Technology | FRAM (Ferroelectric RAM) | FRAM (Ferroelectric RAM) | FRAM (Ferroelectric RAM) | FRAM (Ferroelectric RAM) |
| Memory Size | 64Kb (8K x 8) | 64Kb (8K x 8) | 64Kb (8K x 8) | 4Kb (512 x 8) |
| Memory Interface | SPI | SPI | SPI | SPI |
| Clock Frequency | 20 MHz | 20 MHz | 4 MHz | 20 MHz |
| Write Cycle Time - Word, Page | - | - | - | - |
| Access Time | - | - | - | - |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
