DESCRIPTION
   The Si9243AEY is a monolithic bus transceiver designed to provide bidirectional serial communication in automotive diagnostic applications.
   The device incorporates protection against overvoltages and short circuits to VBAT. The transceiver pin is protected and can be driven beyond the VBAT voltage.

FEATURES
• Operating Power Supply Range 6 V
≤ VBAT
≤ 36 V
• Reverse Battery Protection Down to VBAT ≥ –24 V
• Standby Mode With Very Low Current Consumption
   IBAT(SB) = 1μ
A @ VDD = 0.5 V
• Low Quiescent Current in OFF Condition
   IBAT = 120μ
A and IDD
≤ 10μ
A
• ISO 9141 Compatible
• Overtemperature Shutdown Function For K Output
• Defined K Output OFF for Open GND
• Defined Receive Output Status for Open L or K Inputs
• Defined K Output OFF for TX Input Open
• 2-kV ESD
• Typical Transmit Speeds of 200 kBaud