ST25TA系列（原名为SRTAG系列）具有NFC forum type 4标签RF接口，支持NFC数据交换格式（NDEF）。该系列产品支持NFC应用如标签、NFC令牌、NFC智能标贴、NFC名片（虚拟卡）。它可用于包括消费电子、计算机外设、游戏设备、家用电器、工业自动化和医疗产品在内的各种应用。
- 基于ISO14443-A RF接口的NFC forum type 4标签
- EEPROM存储密度从512bit到64Kbit，支持NDEF消息
- 20位事件计数器与防撕裂
- 通过128位读写访问密码实现数据保护
- 可选用户可编程数字输出（场检测、Memory写进行中、RF忙碌,…）
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eDesignSuite
eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.
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Choose design tool: 
Input geometry and substrate properties Get antenna impedance 
Enter forward and reverse link characteristics The tool returns link budget estimate 
Enter antenna parameter and matching target Select the topology of the matching network The tool returns component values for the desired design targets
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Enter forward and reverse link characteristics The tool returns link budget estimate NFC Tuning Circuit
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