AMIS-42675 Datasheet, PDF (9/12 Pages) AMI SEMICONDUCTOR – High-Speed Low Power CAN Transceiver

TxD
CANH
CANL
V_i(dif) =
V_CANH − V_CANL
RxD
t_{d(TxD−BUSon)}
t_{pd(rec−dom)}
AMIS−42675
HIGH
LOW
0.9V
0.5V
dominant
recessive
0.3 x V_CC
t_{d(TxD−BUSoff)}
t_{d(BUSon−RxD)}
t_{pd(dom−rec)}
0.7 x V_CC
t_{d(BUSoff−RxD)}
PC20040829.6
Figure 6. Timing Diagram for AC Characteristics
+5 V
100 nF
V_CC
3
TxD
7 ^CANH
1
Generator
RxD
20 pF
AMIS−
6
CANL
42675
4
8
STB
30 W
5
V_SPLIT
2
GND
6.2 kW
10 nF
Active Probe
6.2 kW
30 W
Spectrum Anayzer
47 nF
Figure 7. Basic Test Set−up for EME
PC20071006.3
http://onsemi.com
9