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M24SR04 belongs to the ST25 family which includes all STMicroelectronics NFC/RFID tag and reader products.
The M24SR04 devices is a dynamic NFC/RFID tag IC with a dual interface. It embeds an EEPROM memory. It can be operated from an I2C interface or by a 13.56 MHz RFID reader or an NFC phone.
The I2C interface uses a two-wire serial interface, consisting of a bidirectional data line and a clock line. It behaves as a slave in the I2C protocol.
The RF protocol is compatible with ISO/IEC 14443 Type A and NFC Forum Type 4 Tag.Key Features
- I2C interface
- Two-wire I2C serial interface supports 1 MHz protocol
- Single supply voltage:
- 2.7 V to 5.5 V for grade Y
- 2.4 V to 5.5 V for grade G (Limited temperature range -25 to 85 °C)
- Contactless interface
- NFC Forum Type 4 Tag
- ISO/IEC 14443 Type A
- 106 Kbps data rate
- Internal tuning capacitance: 25 pF
- Memory
- 512-byte (4-kbit) EEPROM
- Support of NDEF data structure
- Data retention: 200 years
- Write cycle endurance:
- 1 million Write cycles at 25 °C
- 600k Write cycles at 85 °C
- Read up to 246 bytes in a single command
- Write up to 246 bytes in a single command
- 7 bytes unique identifier (UID)
- 128 bits passwords protection
- Package
- 8-lead small-outline package (SO8) ECOPACK2®
- TSSOP8 ECOPACK2®
- UFDFPN8 ECOPACK2®
- Digital pad
- GPO: configurable General Purpose Output
- RF disable: activation/deactivation of RF commands
- Temperature range
- From - 40 °C up to 85 °C
- I2C interface
Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | ECCN (EU) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|---|
| M24SR04-YDW6T/2 | TSSOP8 | Tape And Reel | Active | 0.33 | 1000 | EAR99 | NEC | CHINA | Check Availability | Buy now |
| M24SR04-YMC6T/2 | UFDFPN 8 2x3x0.6 | Tape And Reel | Active | 0.35 | 1000 | EAR99 | NEC | PHILIPPINES | Check Availability | Buy now |
| M24SR04-YMN6T/2 | SO8 | Tape And Reel | Active | 0.33 | 1000 | EAR99 | NEC | CHINA | Check Availability | Get sample |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
Featured Videos
Experiment with NFC/RFID tags using the ST M24SR-DISCOVERY
Ecosystems
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Picture Part number Manufacturer Description AZURE Cloud Microsoft Microsoft Azure is an ever-expanding set of cloud services to help your organization meet your business challenges. It's the freedom to build, manage, and deploy applications on a massive, global network using your favorite tools and frameworks. Part NumberMicrosoft Azure is an ever-expanding set of cloud services to help your organization meet your business challenges. It's the freedom to build, manage, and deploy applications on a massive, global network using your favorite tools and frameworks.
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Picture Part number Manufacturer Description 
X-NUCLEO-NFC01A1 ST Dynamic NFC tag expansion board based on M24SR for STM32 Nucleo Part NumberDynamic NFC tag expansion board based on M24SR for STM32 Nucleo
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Embedded Software
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Picture Part number Manufacturer Description 
FP-CLD-WATSON1 ST STM32Cube function pack for IoT node with Wi-Fi, NFC and sensors for vibration analysis, connected to IBM Watson IoT Cloud 
FP-SEC-BLENFC1 ST Bluetooth Low Energy and Dynamic NFC tag software expansion for STM32Cube 
FP-SEC-WIFINFC1 ST Wi-Fi and dynamic NFC software expansion for STM32Cube X-CUBE-NFC1 ST STM32Cube expansion software for X-NUCLEO-NFC01A1 Part NumberSTM32Cube function pack for IoT node with Wi-Fi, NFC and sensors for vibration analysis, connected to IBM Watson IoT Cloud
Bluetooth Low Energy and Dynamic NFC tag software expansion for STM32Cube
Wi-Fi and dynamic NFC software expansion for STM32Cube
STM32Cube expansion software for X-NUCLEO-NFC01A1
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Picture Part number Manufacturer Description STSW-95HF001 ST PC software executable for DEMO-CR95HF-A board (UM1084) STSW-95HF002 ST PC software source code example for DEMO-CR95HF-A board (AN3954) STSW-M24SR001 ST Firmware for the M24SR-DISCOVERY board STSW-ST25001 ST Application executable of the "NFC Tap" Android app for ST25 product family 
STSW-ST25IOS001 ST Application executable of the "NFC Tap" iOS app for ST25 product family STSW-ST25PC001 ST Windows® PC software for ISO15693, ISO14443-A/B, NFC and industrial readers STSW-ST25SDK001 ST Software Development Kit for ST25 Tags and Dynamic Tags Part NumberPC software executable for DEMO-CR95HF-A board (UM1084)
PC software source code example for DEMO-CR95HF-A board (AN3954)
Firmware for the M24SR-DISCOVERY board
Application executable of the "NFC Tap" Android app for ST25 product family
Application executable of the "NFC Tap" iOS app for ST25 product family
Windows® PC software for ISO15693, ISO14443-A/B, NFC and industrial readers
Software Development Kit for ST25 Tags and Dynamic Tags
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Evaluation Tools
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Picture Part number Manufacturer Description 
ANT7-T-M24SR64 ST 14 mm x 14 mm double layer antenna reference board for the M24SR64 Dual Interface EEPROM IOTZ-TAPNLINK-PRIMER-NB IoTize The IoTize TapNLink Primer enables the connection of your STM32-based electronic system to a smartphone via the Bluetooth Low Energy (BLE) interface and/or Near Field Communication (NFC) interface. 
M24SR-DISCOVERY ST Discovery kit for the M24SR series - Dynamic NFC/RFID tag 
MATRIX-M24SR ST Matrix of multiple antenna for M24SR - Documentation purpose only Part Number14 mm x 14 mm double layer antenna reference board for the M24SR64 Dual Interface EEPROM
The IoTize TapNLink Primer enables the connection of your STM32-based electronic system to a smartphone via the Bluetooth Low Energy (BLE) interface and/or Near Field Communication (NFC) interface.
Discovery kit for the M24SR series - Dynamic NFC/RFID tag
Matrix of multiple antenna for M24SR - Documentation purpose only
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| M24SR04-YDW6T/2 | Active | TSSOP8 | Industrial | Ecopack2 | |
| M24SR04-YMC6T/2 | Active | UFDFPN 8 2x3x0.6 | Industrial | Ecopack2 | |
| M24SR04-YMN6T/2 | Active | SO8 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
