M24LR04E-R is a 4-Kbit EEPROM with password protection, dual interface and energy harvesting, including 400 kHz I²C bus and ISO 15693 RF protocol at 13.56 MHz.
The M24LR04E-R is a 4-Kbit EEPROM manufactured by STMicroelectronics designed for applications requiring both contactless and wired communication. It supports a 400 kHz I2C bus interface and the ISO 15693 and ISO 18000-3 mode 1 RF protocols operating at 13.56 MHz. The device includes a unique 64-bit identifier and offers multiple password protection levels for security.
| Memory Capacity | 4-Kbit |
|---|---|
| I2C Interface Speed | 400 kHz |
| RF Protocol | ISO 15693 and ISO 18000-3 mode 1 |
| RF Carrier Frequency | 13.56 MHz |
| Supply Voltage | 2.5V to 5.5V |
| RF Write Time | 5.75 ms |
| Write Cycles | More than 1 million |
| Data Retention | More than 40-year |
| Unique Identifier | 64-bit |
Yes, the device features an analog pin for energy harvesting.
The operating supply voltage ranges from 2.5V to 5.5V.