TJA144x Automotive CAN FD Transceivers NXP Semiconductors TJA144x Automotive CAN FD Transceivers provide an interface between a controller area network (CAN) or CAN flexible data rate (FD) protocol controller and the physical two-wire CAN-bus. The NXP TJA144x variants include the TJA1441 (Basic CAN), TJA1442 (Standby mode CAN), TJA1443 (Sleep mode CAN), and TJA1448 (Dual channel standby mode CAN). All variants enable reliable communication in the CAN FD fast phase at data rates up to 5Mbit/s.