300-55-938,EEPROM SPI SOT-23-6, 25AA040AT-I/OT, Microchip
| Bus type | SPI |
| Organisation | 512 x 8 Bit |
| Access time | 50 ns |
| Power supply | 1.8...5.5 V |
| Package | SOT-23-6 |
| Supply current | 5 mA |
| Operating temperature | -40...+85 °C |
| Memory size | 4 kbit |
| Clock frequency max. | 10 MHz |
| Standby current | 5 μA |
| Packaging | Reel |
