Overview
The M24LR64E-RMN6T/2 is a Dynamic NFC/RFID tag IC produced by STMicroelectronics. This device features a dual-interface, electrically erasable programmable memory (EEPROM) with both I²C and ISO 15693/ISO 18000-3 mode 1 RF interfaces. It is part of the ST25 family, which includes all NFC/RF ID tag and reader products from STMicroelectronics. The device is designed for applications requiring both wired and wireless communication, making it versatile for various use cases such as smart cards, access control, and industrial automation.
Key Specifications
| Attribute | Value |
|---|---|
| Memory Density | 64 kb |
| Memory Organization | 8 K x 8 (I²C mode), 2048 blocks of 32 bits (RF mode) |
| Supply Voltage-Nom | 1.8 V to 5.5 V |
| Supply Current | 50 µA to 400 µA |
| Clock Frequency-Max | 400 kHz |
| Write Cycle Time-Max (tWC) | 5 ms (I²C), 5.75 ms (RF including internal Verify time) |
| Data Retention | More than 40 years |
| Interface Type | I²C/2-Wire, ISO 15693 and ISO 18000-3 mode 1 RF |
| Access Time-Max | 900 ns |
| Operating Temp Range | -40°C to +85°C |
| No of Terminals | 8 |
| Package Style | SOIC-8, TSSOP8, UFDFPN8 |
| Mounting Method | Surface Mount |
Key Features
- Belonging to the ST25 family, which includes all NFC/RF ID tag and reader products from STMicroelectronics.
- I²C interface with two-wire serial interface supporting 400 kHz protocol.
- Single supply voltage: 1.8 V to 5.5 V.
- Byte and Page Write (up to 4 bytes), Random and Sequential read modes.
- Self-timed programming cycle and automatic address incrementing.
- Enhanced ESD/latch-up protection and I²C timeout.
- Contactless interface compatible with ISO 15693 and ISO 18000-3 mode 1.
- 13.56 MHz ± 7 kHz carrier frequency with ASK modulation and load modulation using Manchester coding.
- Internal tuning capacitance: 27.5 pF and 64-bit unique identifier (UID).
- User-configurable digital output pin for RF write in progress or RF busy mode.
- Energy harvesting with an analog pin and four sink current configurable ranges.
- Multiple password protection in RF mode and single password protection in I²C mode.
Applications
- Smart cards and secure identification systems.
- Access control and authentication systems.
- Industrial automation and asset tracking.
- Healthcare and medical device identification.
- Consumer electronics with NFC capabilities.
Q & A
- What is the memory density of the M24LR64E-RMN6T/2?
The memory density is 64 kb, organized as 8192 bytes in I²C mode and 2048 blocks of 32 bits in RF mode.
- What are the supported supply voltages for this device?
The device supports a single supply voltage ranging from 1.8 V to 5.5 V.
- What are the key interfaces supported by this device?
The device supports both I²C (two-wire serial interface) and ISO 15693/ISO 18000-3 mode 1 RF interfaces.
- What is the maximum clock frequency for the I²C interface?
The maximum clock frequency for the I²C interface is 400 kHz).
- What is the data retention period for this device?
The data retention period is more than 40 years).
- What are the operating temperature ranges for this device?
The operating temperature range is from -40°C to +85°C).
- Does the device support energy harvesting?
Yes, the device supports energy harvesting with an analog pin and four sink current configurable ranges).
- What is the write cycle endurance for this device?
The write cycle endurance is 1 million write cycles at 25°C and 150 k write cycles at 85°C).
- Are there any security features built into the device?
Yes, the device features multiple password protection in RF mode and single password protection in I²C mode).
- What are the available package styles for this device?
The device is available in SOIC-8, TSSOP8, and UFDFPN8 packages).
