PCF7946AT Security Transponder Plus Remote Keyless Entry

PCF7946AT Security Transponder Plus Remote Keyless Entry

PCF7946AT The HITAG2PLUS is a high performance monolithic Security Transponder and Remote Keyless Entry Chip ideally suited for car immobiliser applications that incorporate keyless entry functions. The HITAG2PLUS transponder circuitry is compatible with the Security Transponder PCF7936AS to suppo.

Features

• Compatible with Security Transponder, PCF7936AS.
• Rolling Code Generator for keyless entry
• 14-pin SO package Transponder
• 64/32 bit mutual authentication
• 32 bit unique device identification number
• Fast authentication, 39ms
• 48 bit Secret Key
• 128 bit user memory (EEPROM)
• EEPROM read/write in cipher mode
• EEPROM read/write protection capability
• Excellent sensitivity in read and write mode Code Hopping Generator
• Four user buttons (15 + 1 commands)
• LED acknowledgment of transmission
• 42 bit unidirectional code hopping
• 48 bit Remote Secret Key
• 114 bit message with run-in,.