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| Part Number | 93AA66A-I/ST | 93AA66B-I/ST | 93AA66AT-I/ST | 93AA66C-I/ST | 93AA76A-I/ST | 93AA86A-I/ST | 93AA46A-I/ST | 93AA56A-I/ST | 93AA66A-I/SN |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile | Non-Volatile |
| Memory Format | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Technology | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
| Memory Size | 4Kb (512 x 8) | 4Kb (256 x 16) | 4Kb (512 x 8) | 4Kb (512 x 8, 256 x 16) | 8Kb (1K x 8) | 16Kb (2K x 8) | 1Kb (128 x 8) | 2Kb (256 x 8) | 4Kb (512 x 8) |
| Memory Interface | SPI | SPI | SPI | SPI | SPI | SPI | SPI | SPI | SPI |
| Clock Frequency | 2 MHz | 2 MHz | 2 MHz | 3 MHz | 3 MHz | 3 MHz | 2 MHz | 2 MHz | 2 MHz |
| Write Cycle Time - Word, Page | 6ms | 6ms | 6ms | 6ms | 5ms | 5ms | 6ms | 6ms | 6ms |
| Access Time | - | - | - | - | - | - | - | - | - |
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-SOIC |
