Please send RFQ , we will respond immediately.
| Part Number | AT93C66B-SSHM-B | AT93C66B-SSHM-T | AT93C56B-SSHM-B | 
|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Active | Active | Active | 
| Memory Type | Non-Volatile | Non-Volatile | Non-Volatile | 
| Memory Format | EEPROM | EEPROM | EEPROM | 
| Technology | EEPROM | EEPROM | EEPROM | 
| Memory Size | 4Kb (512 x 8, 256 x 16) | 4Kb (512 x 8, 256 x 16) | 2Kb (256 x 8, 128 x 16) | 
| Memory Interface | SPI | SPI | SPI | 
| Clock Frequency | 2 MHz | 2 MHz | 2 MHz | 
| Write Cycle Time - Word, Page | 5ms | 5ms | 5ms | 
| Access Time | - | - | - | 
| Voltage - Supply | 1.7V ~ 5.5V | 1.7V ~ 5.5V | 1.7V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | 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) | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC |