PCF7938XA/CAAB3800

High performance security transponder (HITAG 3) for vehicle immobilization applications. Protocol design of the HITAG 3 is based on the established HITAG 2 protocol and extended by the HITAG 2 Extended protocol improvements to support a fast and seamless base station software upgrade. It derives its power supply from the magnetic field (LF field) established by the base station. Features secure contactless authentication, employing a secret key and a random number (challenge) in order to cipher any communication between the device and the base station in ciphered access mode.

• Data transmission and energy supply via LF link
• Excellent sensitivity in read and write mode
• 32bit quasi unique device and product type identification
• Compatible among the products of the HITAG3 family
• Fast mutual authentication 50ms (96 bit secret key)
• Up to 460Byte EEPROM available for user data
• Versatile EEPROM access and protection capabilities
• 20 years non-volatile data retention
• Automotive temperature range is -40°C to +85°C
• Leadless plastic stick package

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.