This document describes the M24LR64-R 64 Kbit EEPROM with password protection and dual interface, which supports a 400 kHz I2C serial bus and the ISO 15693 RF protocol at 13.56 MHz. The product features an I2C interface and a contactless interface, with a 64-bit unique identifier (UID). It supports various read and write modes, password protection, and has over 40 years of data retention capability.
This document is a technical datasheet for the M24LR64-R, a 64 Kbit EEPROM featuring dual interfaces: a two-wire I2C serial interface operating at up to 400 kHz and an ISO 15693 contactless RF protocol at 13.56 MHz.
The device includes enhanced security features such as multiple password protection in RF mode, single password protection in I2C mode, and more than a million write cycles with over 40 years of data retention. It is available in SO8, UFDFPN8, and TSSOP8 packages.
| Memory Capacity | 64 Kbit |
|---|---|
| RF Protocol Standard | ISO 15693 and ISO 18000-3 mode 1 |
| RF Carrier Frequency | 13.56 MHz |
| Supply Voltage (I2C) | 1.8V to 5.5V |
| Write Time (I2C) | 5 ms Max. |
| Write Cycles | More than 1 Million |
| Data Retention | 40 years |
The maximum write time for I2C mode is 5 ms.
Yes, it supports multiple password protection in RF mode and single password protection in I2C mode.
The device contains a 64-bit unique identifier (UID).