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| PartNumber | FT24C256A-UDR-B | FT24C256A-USG-T | FT24C256A-USR-B |
| Description | IC EEPROM 256K I2C 1MHZ 8DIP | IC EEPROM 256K I2C 1MHZ 8SOP | IC EEPROM 256K I2C 1MHZ 8SOP |
| Manufacturer | - | Fremont Micro Devices USA | - |
| Product Category | - | Memory | - |
| Series | - | - | - |
| Packaging | - | Digi-ReelR Alternate Packaging | - |
| Package Case | - | 8-SOIC (0.154", 3.90mm Width) | - |
| Operating Temperature | - | -40°C ~ 85°C (TA) | - |
| Interface | - | I2C, 2-Wire Serial | - |
| Voltage Supply | - | 1.8 V ~ 5.5 V | - |
| Supplier Device Package | - | 8-SOP | - |
| Memory Size | - | 256K (32K x 8) | - |
| Memory Type | - | EEPROM | - |
| Speed | - | 400kHz, 1MHz | - |
| Format Memory | - | EEPROMs - Serial | - |