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SI9243A Datasheet, PDF (5/5 Pages) Vishay Siliconix – Single-Ended Bus Transceiver
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Si9243AEY
Vishay Siliconix
TEST CIRCUIT AND TIMING DIAGRAMS (TRANSMIT ONLY)
VDD
VBAT
VDD
RXL
VDD
RXK
VDD
TX
Si9243AEY
+
–
+
–
V+
–
L
VBAT
RL
K
RXK
TX
td(off)
td(on)
TXmin
VBAT
80%
80%
CL
20%
VK, VL
tr
20%
tf
GND
RL = 510 W, CL = 10 nF, VBAT = 6 V to 18 V
RL = 1 kW, CL = 4.7 nF, VBAT = 16 V to 36 V
APPLICATION CIRCUIT
ECU
VDD Si9243AEY
+
–
VDD
I/Os
Microcontroller
VDD
+
–
V
+
–
VBAT
C1
0.1 mF
50 V
VDD
C1
0.1 mF
Document Number: 70788
S-02936—Rev. D, 22-Jan-01
ECU = Electronic Control Unit
L-Line
K-Line
Diagnostic Tester
VB
510 W
0.4 W
Bus
www.vishay.com
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