STMicroelectronics Bus Driver 8-Pin SOIC, E-L9637D

Standard ISO 9141 compatible interface functions designed to provide bidirectional serial communication in automotive diagnostic applications.

On-Board Diagnostics (OBD) refers to an automotive vehicle's self-diagnostic and reporting capability. OBD systems give a repair technician access to state of health information for various vehicle sub-systems via a standard socket connector and a special serial communications protocol.