PCF7941ATJ/CA1B00E

The PCF7941ATJ is a high performance single chip Security Transponder and RISC Controller, ideally suited for automotive applications with combined vehicle Immobilization and Remote Keyless Entry functions.The PCF7x41ATJ incorporates an advanced power management that supports battery voltage measurement. For increased battery lifetime the device quiescent current is minimized in POWER-OFF state by disconnecting the battery from most of the internal circuitry. The device comes in a 36 pin Leaded Stick Package (LSP). The device is available as E-ROM (FLASH like features) and ROM coded product. In case of the E-ROM version, in-circuit program download and debugging is supported.

• Single chip Security Transponder and Remote Keyless Entry solution
• RISC programmable device features
• Up to seven Keyless Entry command buttons
• 512 Byte EEPROM for extended data storage
• 32 bit unique device and product type identification
• Package integrated Transponder LF coil