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| Part Number | FM93CS66N | FM93C66N | FM93CS46N | FM93CS66M |
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | Fairchild Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Active |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM |
| Technology | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Size | 4Kb (256 x 16) | 4Kb (256 x 16) | 1Kb (64 x 16) | 4Kb (256 x 16) |
| Memory Interface | SPI | SPI | SPI | SPI |
| Clock Frequency | 1 MHz | 1 MHz | 1 MHz | 1 MHz |
| Write Cycle Time - Word, Page | 10ms | 10ms | 10ms | 10ms |
| Access Time | - | - | - | - |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-DIP | 8-DIP | 8-DIP | 8-SOIC |
