The PCF7991AT/1081/M is a sophisticated integrated circuit (IC) from NXP Semiconductors, designed for use in various transponder applications. This versatile chip is an integral component for systems that require reliable radio-frequency identification (RFID) and is commonly used in the automotive industry for keyless entry systems, immobilizers, and other security-related applications.

Key Features

• Flexible Memory Organization: Equipped with a user-configurable memory layout, the PCF7991AT/1081/M allows for versatile data storage options, catering to the specific needs of different applications.
• Advanced Security: The chip includes built-in security features such as mutual authentication and encryption, ensuring the protection of sensitive information and preventing unauthorized access.
• High-Frequency Operation: Operating at 125 kHz, this transponder IC ensures reliable communication and quick data transfer rates, which are essential for smooth and efficient operation.
• Low Power Consumption: Designed to be energy-efficient, the PCF7991AT/1081/M helps in extending the battery life of the devices it is used in, making it ideal for portable applications.
• Durable Design: The IC is built to withstand harsh conditions, making it suitable for use in environments that are exposed to extreme temperatures, vibrations, and other challenging factors.

Applications

The versatility of the PCF7991AT/1081/M makes it suitable for a wide range of applications. Primarily used in the automotive sector for passive keyless entry and immobilizer systems, it is also applicable in access control systems, asset tracking solutions, and various other RFID applications.

Technical Specifications

• Supply Voltage: 2.7V - 5.5V
• Operating Frequency: 125 kHz
• Temperature Range: -40°C to +85°C
• Package: SO14

The PCF7991AT/1081/M from NXP Semiconductors is a testament to the company's commitment to providing advanced technology solutions that cater to the evolving needs of the security and identification industries. Its robust design and feature set make it a reliable choice for manufacturers and designers looking to integrate RFID capabilities into their products.