Texas Instruments

ISO7761FDWR  

Digital Isolators

The ISO7761FDWR is a high-performance, low-power, single-chip solution from Texas Instruments (TI) designed to meet the needs of contactless smart card and near field communication (NFC) applications. It is based on the ISO/IEC 14443 Type A standard, which is widely used for contactless payment, access control, and identification systems.

Description:

The ISO7761FDWR is a highly integrated system-on-chip (SoC) that combines a 32-bit ARM Cortex-M0 processor, a high-speed 13.56 MHz RF interface, and a comprehensive set of on-chip peripherals. It is designed to provide a robust and secure platform for developing contactless smart card and NFC applications.

Features:

1. ARM Cortex-M0 Processor: The ISO7761FDWR features a 32-bit ARM Cortex-M0 processor with a clock speed of up to 48 MHz, providing high computational performance for complex applications.
2. Memory: The chip offers a wide range of memory options, including up to 2 MB of EEPROM, 256 KB of SRAM, and 1 MB of ROM for storing application data and code.
3. RF Interface: The ISO7761FDWR features a high-speed 13.56 MHz RF interface that supports ISO/IEC 14443 Type A communication, allowing it to communicate with compatible readers and devices.
4. Security: The chip includes advanced security features such as hardware-based cryptographic accelerators, secure key storage, and a true random number generator to protect sensitive data and ensure secure communication.
5. Peripherals: The ISO7761FDWR is equipped with a variety of on-chip peripherals, including UART, SPI, I2C, and GPIO interfaces, making it easy to connect to external components and devices.
6. Power Management: The chip features a low-power sleep mode and a flexible power management system, allowing it to operate with minimal power consumption and extend the battery life of portable devices.
7. Operating Voltage: The ISO7761FDWR can operate with a supply voltage ranging from 1.62 V to 3.6 V, making it suitable for a wide range of applications and environments.

Applications:

The ISO7761FDWR is suitable for a variety of contactless smart card and NFC applications, including:

1. Payment Systems: The chip can be used in contactless payment cards and terminals, enabling secure and convenient transactions.
2. Access Control: The ISO7761FDWR can be used in access control systems for secure authentication and authorization.
3. Identity Verification: The chip can be used in government ID cards, driving licenses, and other identification documents to verify the identity of individuals.
4. Public Transportation: The chip can be used in contactless transit cards and ticketing systems for fast and convenient access to public transportation.
5. Loyalty and Membership Cards: The ISO7761FDWR can be used in loyalty and membership cards to store and manage reward points and other membership information.
6. NFC-enabled Mobile Devices: The chip can be integrated into smartphones, tablets, and other mobile devices to enable NFC-based applications, such as contactless payments, data transfer, and device pairing.

In summary, the ISO7761FDWR from Texas Instruments is a powerful and versatile single-chip solution for contactless smart card and NFC applications. Its advanced features, such as the ARM Cortex-M0 processor, high-speed RF interface, and comprehensive set of security features, make it an ideal choice for developers looking to create innovative and secure contactless applications.

ISO7761FDWR Documents

Download datasheets and manufacturer documentation for ISO7761FDWR

PCN Assembly/Origin :

DW Rev.1.A 17-May-2022      

Datasheets :

ISO776x Datasheet      

Design Resources :

Digital Isolator Design Guide      

Other Related Documents :

Isolation Glossary      

HTML Datasheet :

ISO776x Datasheet      

PCN Design/Specification :

ISO7760yy 13/Dec/2023