NXP PCF7936AS/3851/C122 Integrated Circuit

The PCF7936AS/3851/C122 is a sophisticated integrated circuit (IC) designed and manufactured by NXP Semiconductors, a leader in secure connectivity solutions for embedded applications. This IC is part of the HITAG 2 family and is primarily used in the field of Radio-Frequency Identification (RFID) for applications such as access control, asset tracking, and identification.

Key Features

• Security: The PCF7936AS/3851/C122 comes with a robust 48-bit secret key for mutual authentication, making it a secure choice for applications where data protection is paramount.
• Memory: It contains a 256-bit EEPROM organized in 8 blocks, which allows for a flexible and secure way to store data. The memory can be accessed through a password-protected mechanism, ensuring data integrity and security.
• RF Interface: The device operates at a frequency of 125 kHz, which is a standard for low-frequency RFID applications. It has an advanced modulation and demodulation concept, ensuring reliable communication and high data integrity.
• Compatibility: Its compatibility with the HITAG reader family makes it a versatile component that can easily integrate into existing RFID systems.

Applications

The PCF7936AS/3851/C122 is ideally suited for a wide range of applications, including but not limited to:

• Car immobilizers
• Access control systems for buildings
• Asset tracking systems
• Animal identification
• Industrial automation

Product Specifications

The product comes in a small, leadless module package which allows for easy integration into various designs. It is designed to withstand harsh environments and is known for its durability and reliability in the field.

Ordering Information

For those interested in incorporating the NXP PCF7936AS/3851/C122 into their systems, it can be ordered using the part number provided. NXP offers support and documentation to facilitate the integration and use of this IC in your projects.