| Part Number | CAT64LC40YI-GT3 | CAT64LC40WI-GT3 | 
|---|---|---|
| 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 (256 x 16) | 4Kb (256 x 16) | 
| Memory Interface | SPI | SPI | 
| Clock Frequency | 1 MHz | 1 MHz | 
| Write Cycle Time - Word, Page | 5ms | 5ms | 
| Access Time | - | - | 
| Voltage - Supply | 2.5V ~ 6V | 2.5V ~ 6V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-TSSOP | 8-SOIC |