| Part Number | CAT93C66LI-G | CAT93C46LI-G | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | EEPROM | EEPROM | 
| Technology | EEPROM | EEPROM | 
| Memory Size | 4Kb (512 x 8, 256 x 16) | 1Kb (128 x 8, 64 x 16) | 
| Memory Interface | SPI | SPI | 
| Clock Frequency | 2 MHz | 2 MHz | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | - | - | 
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-PDIP | 8-PDIP |