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SI9243A Datasheet(PDF) 1 Page - Vishay Siliconix

Part # SI9243A
Description  Single-Ended Bus Transceiver
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9243A Datasheet(HTML) 1 Page - Vishay Siliconix

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Si9243AEY
Vishay Siliconix
Document Number: 70788
S-02936—Rev. D, 22-Jan-01
www.vishay.com
1
Single-Ended Bus Transceiver
FEATURES
D Operating Power Supply Range 6 V v VBAT v 36 V
D Reverse Battery Protection Down to VBAT w –24 V
D Standby Mode With Very Low Current Consumption
IBAT(SB) = 1 mA @ VDD = 0.5 V
D Low Quiescent Current in OFF Condition
IBAT = 120 mA and IDD v 10 mA
D ISO 9141 Compatible
D Overtemperature Shutdown Function For K Output
D Defined K Output OFF for Open GND
D Defined Receive Output Status for Open L or K Inputs
D Defined K Output OFF for TX Input Open
D 2-kV ESD
D Typical Transmit Speeds of 200 kBaud
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.
The RX output is capable of driving CMOS or 1
LSTTL load.
The Si9243AEY is built on the Vishay Siliconix BiC/DMOS
process. This process supports bipolar transistors, CMOS, and
DMOS. An epitaxial layer prevents latchup.
The Si9243AEY is available in a 8-pin SO package and
operates over the automotive temperature range (–40 to
125
_C).
PIN CONFIGURATION AND FUNCTIONAL BLOCK DIAGRAM
TX
RXL
K
L
+
L
+
K
+
VBAT/2
K
Logic and Fault Detect Circuitry
(See State Diagram and Truth Table)
VBAT
VDD
GND
RXK
VDD
VDD
VDD


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