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| PartNumber | AT24C01B-PU | AT24C01B-TH-T | AT24C01B-TH-B |
| Description | EEPROM 1K 2-WIRE 128 x 8 1.8V | EEPROM NIPDAU AUTO 2.5V - IND 1.8V | IC EEPROM 1K I2C 1MHZ 8TSSOP |
| Manufacturer | Microchip | Microchip | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | SMD/SMT | - |
| Package / Case | PDIP-8 | TSSOP-8 | - |
| Memory Size | 1 kbit | 1 kbit | - |
| Organization | 128 x 8 | 128 x 8 | - |
| Interface Type | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | - |
| Access Time | 550 ns | 550 ns | - |
| Data Retention | 100 Year | 100 Year | - |
| Maximum Clock Frequency | 1 MHz | 1 MHz | - |
| Supply Current Max | 3 mA | 3 mA | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Height | 3.3 mm | 1 mm | - |
| Length | 9.27 mm | 3 mm | - |
| Width | 6.35 mm | 4.4 mm | - |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Current | 3 mA | 3 mA | - |
| Operating Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 50 | 5000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.032805 oz | 0.005573 oz | - |
| Packaging | - | Reel | - |