| PartNumber | AT24C64CN-SH-B | AT24C64C-PU | AT24C64CN-SH-T |
| Description | EEPROM 1.8V - 8 PB/ 1.8V | EEPROM 64K 2-WIRE 4096 x 8 1.8V | EEPROM 1.8V - 8 PB/ 1.8V |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-8 | PDIP-8 | SOIC-8 |
| Memory Size | 64 kbit | 64 kbit | 64 kbit |
| Organization | 8 k x 8 | 8 k x 8 | 8 k x 8 |
| Interface Type | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C |
| Access Time | 550 ns | 550 ns | 550 ns |
| Data Retention | 100 Year | 100 Year | 100 Year |
| Maximum Clock Frequency | 1 MHz | 400 kHz | 1 MHz |
| Supply Current Max | 3 mA | 3 mA | 3 mA |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Supply Voltage Max | 3.6 V | 3.6 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Height | 1.5 mm (Max) | 3.3 mm | 1.5 mm (Max) |
| Length | 5 mm (Max) | 9.27 mm | 5 mm (Max) |
| Width | 4 mm (Max) | 6.35 mm | 4 mm (Max) |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | Microchip Technology / Atmel |
| Operating Supply Current | 3 mA | 3 mA | 3 mA |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 50 | 4000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | 0.032805 oz | 0.019048 oz |