| PartNumber | CAT24C256YI-G | CAT24C256YIGT3JN | CAT24C256YI-GT3 |
| Description | EEPROM (32768x8) 256K | EEPROM 256KB I2C SER EEPROM | EEPROM 256K-Bit I2C Serial CMOS EEPROM |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-8 | TSSOP-8 | TSSOP-8 |
| Memory Size | 256 kbit | 256 kbit | 256 kbit |
| Organization | 32 k x 8 | 32 k x 8 | 32 k x 8 |
| Interface Type | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C |
| Access Time | 900 ns | - | 900 ns |
| Data Retention | 100 Year | 100 Year | 100 Year |
| Maximum Clock Frequency | 0.4 MHz | 400 kHz | 0.4 MHz |
| Supply Current Max | 1 mA | 1 mA | 1 mA |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 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 | CAT24C256 | CAT24C256 | CAT24C256 |
| Packaging | Tube | Reel | Reel |
| Height | 0.9 mm | - | 0.9 mm |
| Length | 3 mm | - | 3 mm |
| Width | 4.4 mm | - | 4.4 mm |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Operating Supply Current | 3 mA | 1 mA | 3 mA |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | 1.8 V to 5.5 V | 2.5 V, 3.3 V, 5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 3000 | 3000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.005573 oz | 0.005573 oz | 0.005573 oz |