| PartNumber | 25C040XT/ST | 25C040XT-I/ST | 25C040XT-E/ST |
| Description | EEPROM 512x8 - 5V Rot Pin | EEPROM 512x8 - 5V Rot Pin | EEPROM 512x8 - 5V Rot Pin |
| Manufacturer | Microchip | Microchip | Microchip |
| 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 | 4 kbit | 4 kbit | 4 kbit |
| Organization | 512 x 8 | 512 x 8 | 512 x 8 |
| Interface Type | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI | Serial, 4-Wire, SDI, SPI |
| Access Time | 5 ms | 150 ns | 150 ns |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Maximum Clock Frequency | 3 MHz | 3 MHz | 3 MHz |
| Supply Current Max | 5 mA | 5 mA | 5 mA |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | 0 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 70 C | + 85 C | + 125 C |
| Packaging | Reel | Reel | Reel |
| Height | 1 mm | 1 mm | 1 mm |
| Length | 3 mm | 3 mm | 3 mm |
| Width | 4.4 mm | 4.4 mm | 4.4 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Supply Current | 5 mA | 5 mA | 5 mA |
| Operating Supply Voltage | 4.5 V, 5.5 V | 4.5 V, 5.5 V | 4.5 V, 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 5 V | 5 V | 5 V |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.005573 oz | 0.005573 oz | 0.005573 oz |