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| PartNumber | 24CW640T-I/CS1668 | 24CW640T-I/CS0668 | 24CW640T-I/CS0668-CUT TAPE |
| 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 | |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | CS1-4 | CS0-4 | - |
| Memory Size | 64 kbit | 64 kbit | - |
| Organization | 8 k x 8 | 8 k x 8 | - |
| Interface Type | Serial | Serial | - |
| Data Retention | 200 Year | 200 Year | - |
| Maximum Clock Frequency | 1 MHz | 1 MHz | - |
| Supply Current Max | 1 mA | 1 mA | - |
| Supply Voltage Min | 1.6 V | 1.6 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | 24CW640 | 24CW640 | - |
| Packaging | Reel | Reel | - |
| Brand | Microchip Technology | Microchip Technology | - |
| Operating Supply Voltage | 1.6 V to 5.5 V | 1.6 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 5000 | 5000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |