A M I S - 3 0 6 6 3
High Speed CAN Transceiver
V
RxD
High
Low
Hysteresis
PC20040829.7
Data Sheet
0,5
0,9
V
i(dif)(hys)
Figure 5: Hysteresis of the Receiver
+3.3 V
100 nF
+5 V
100 nF
V
CC
3
V
33
8
7
TxD
1
CANH
R
LT
C
LT
100 pF
AMIS-
30663
RxD
4
2
5
V
REF
60
W
6
CANL
PC20040918.10
20 pF
GND
Figure 6: Test Circuit for Timing Characteristics
TxD
HIGH
LOW
CANH
CANL
dominant
V
i(dif)
=
V
CANH
- V
CANL
0,9V
0,5V
recessive
RxD
t
d(TxD-BUSon)
t
pd(rec-dom)
0,3 x V
33
0,7 x V
33
t
d(TxD-BUSoff)
t
d(BUSon-RxD)
t
pd(dom-rec)
t
d(BUSoff-RxD)
PC20040829.6
Figure 7: Timing Diagram for AC Characteristics
AMI Semiconductor - Rev. 1.4, Oct. 04
8
AMI [ AMI SEMICONDUCTOR ]
