AMIS-30663 Datasheet, PDF (8/12 Pages) AMI SEMICONDUCTOR – High Speed CAN Transceiver

AMIS-30663 High Speed CAN Transceiver
Data Sheet
V_RxD
PC20040829.7
Hysteresis
0,5
0,9
Figure 5: Hysteresis of the Receiver
High
Low
V_i(dif)(hys)
+3.3 V
+5 V
100 nF
V_CC
V₃₃
100 nF
3
8
TxD
7 ^CANH
1
AMIS-
R_LT
5 ^VREF
30663
RxD
4
60 W
6
CANL
2
C_LT
100 pF
20 pF
GND
PC20040918.10
Figure 6: Test Circuit for Timing Characteristics
HIGH
TxD
LOW
CANH
CANL
V_i(dif) =
V_CANH - V_CANL
RxD
t_d(TxD-BUSon)
t_pd(rec-dom)
0,9V
0,5V
dominant
recessive
0,3 x V ₃₃
t_{d(TxD-BUSoff)}
t_d(BUSon-RxD)
t_pd(dom-rec)
0,7 x V ₃₃
t_{d(BUSoff-RxD)}
Figure 7: Timing Diagram for AC Characteristics
PC20040829.6
AMI Semiconductor - Rev. 1.4, Oct. 04
8
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