| PartNumber | 24CW640-I/SN | 24CW640-I/ST | 24CW640T-I/CS0668 |
| Description | EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp | EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp | EEPROM 64 Kbit I2C Serial EEPROM with Software Write Protection, Industrial Temp |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | TSSOP-8 | CS0-4 |
| Memory Size | 64 kbit | 64 kbit | 64 kbit |
| Organization | 8 k x 8 | 8 k x 8 | 8 k x 8 |
| Interface Type | Serial | Serial | Serial |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Maximum Clock Frequency | 1 MHz | 1 MHz | 1 MHz |
| Supply Current Max | 1 mA | 1 mA | 1 mA |
| Supply Voltage Min | 1.6 V | 1.6 V | 1.6 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | 24CW640 | 24CW640 | 24CW640 |
| Packaging | Tube | Tube | Reel |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Supply Voltage | 1.6 V to 5.5 V | 1.6 V to 5.5 V | 1.6 V to 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 100 | 5000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |