The ST25DV04K-IER6C3 is compliant with the ISO/IEC 14443A standard and supports NFC Forum Type 4 Tag operations. It also features a secure memory area, which is protected by a 32-bit password and can be used to store sensitive data. The IC also supports a wide range of security features, such as password protection, write protection, and data encryption.The ST25DV04K-IER6C3 is designed to be used in a wide range of applications, such as access control, asset tracking, and payment systems. It is also suitable for use in industrial, automotive, and consumer applications. The IC is RoHS compliant and is available in an 8-pin UFDFPN package.