End of Life. Last Available Purchase Date is 31-Dec-2014 Si9241A Vishay Siliconix Single-Ended Bus Transceiver DESCRIPTION FEATURES Operating Power Supply Range The Si9241AEY is a monolithic bus transceiver designed to 6 V V 36 V provide bidirectional serial communication in automotive BAT Reverse Battery Protection Down to V - 24 V diagnostic applications. BAT Standby Mode With Very Low Current Consumption The device incorporates protection against overvoltages and I = 1 A at V = 0.5 V BAT(SB) DD short circuits to V . The transceiver pin is protected and BAT Low Quiescent Current in OFF Condition can be driven beyond the V voltage. BAT I = 120 A and I 10 A BAT DD The Si9241AEY is built on the Vishay Siliconix BiC/DMOS ISO 9141 Compatible process. An epitaxial layer prevents latchup. Overtemperature Shutdown Function For K Output The RX output is capable of driving CMOS or 1 x LSTTL Defined K Output OFF for Open GND load. Defined Receive Output Status for Open K Input The Si9241AEY is available in a space efficient 8-pin SO Defined K Output OFF for TX Input Open package. It operates reliably over the automotive Open Drain Fault Output temperature range (- 40 to 125 C). The Si9241AEY is 2 kV ESD available in both standard and lead (Pb)-free packages. Typical Transmit Speeds of 200 kBaud PIN CONFIGURATION AND FUNCTIONAL BLOCK DIAGRAM V V DD BAT V BAT - 2 RX + V DD K CS TX FAULT Fault Detector GND Document Number: 70787 www.vishay.com S11-0975-Rev. F, 16-May-11 1 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000End of Life. Last Available Purchase Date is 31-Dec-2014 Si9241A Vishay Siliconix OUTPUT TABLE AND STATE DIAGRAMS STATE OUTPUT Over Temp INPUTS VARIABLE TABLE CS TX A B RX K FAULT Comments Power On A = 1 A = 0 00 1 1 00 1 01 1 1 11 1 . Over Temp CS XX 0 1 K HiZ 0 Over Temp Short Circuit 0 X 1 0 K HiZ 0 Short Circuit Power On B = 1 B = 0 1 Receive X1 1 0 0 1 Mode CS 1X 1 1 11 1 X =1 or0 Note: Over Temp is an internal condition, not meant HiZ = High Impedance State to be a logic signal. ABSOLUTE MAXIMUM RATINGS Parameter Limit Unit Voltages Referenced to Ground Voltage On V - 24 to 45 BAT Voltage K - 16 to (V + 1) V BAT Voltage Difference V 55 (VBAT, K) Voltage or Max. Current On Any Pin (Except V , K) - 0.3 to (V + 0.3 V) or 10 mA BAT DD Voltage on V 7V DD or GND) K Pin Only, Short Circuit Duration (to V Continuous BAT Operating Temperature (T ) - 40 to 125 A C Junction and Storage Temperature - 55 to 150 Thermal Impedance ( ) 125 C/W JA Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. RECOMMENDED OPERATING RANGE Parameter Limit Unit Voltages Referenced to Ground V 4.5 to 5.5 DD V 6 to 36 BAT V K 6 to 36 0 to V Digital Inputs DD www.vishay.com Document Number: 70787 2 S11-0975-Rev. F, 16-May-11 This document is subject to change without notice. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000