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ON Semiconductor NCV7341 Manual page 15

High speed low power can transceiver

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Table 9. AC CHARACTERISTICS
Symbol
TIMING CHARACTERISTICS (Figure 6)
t
Delay TxD to Bus Active
d(TxD−BUSon)
t
Delay TxD to Bus Inactive
d(TxD−BUSoff)
t
Delay Bus Active to RxD
d(BUSon−RxD)
t
Delay Bus Inactive to RxD
d(BUSoff−RxD)
t
Propagation Delay TxD to
pd(rec−dom)
RxD from Recessive to
Dominant
t
Propagation Delay TxD to
d(dom−rec)
RxD from Dominant to
Recessive
t
Undervoltage Detection Time
UV(VCC)
on V
CC
t
Undervoltage Detection Time
UV(VIO)
on V
IO
t
TxD Dominant Timeout
dom(TxD)
t
Minimum Hold−Time for the
h(min)
Go−to−Sleep Mode
t
Dominant Time for Wake−up
dom
via the Bus
t
Recessive Time for Wake−up
rec
via the Bus
t
Debounce Time for the
WAKE
Wake−up via WAKE Pin
t
Minimum dominant bit time for
errdet
bus error detection
= V
V
i(dif)
Parameter
Setup According to Figure 8
Setup According to Figure 8
Setup According to Figure 8
Setup According to Figure 8
Setup According to Figure 8
Setup According to Figure 8
Vdif(CAN) > 1.4 V
Vdif(CAN) > 1.2 V
V
BAT
V
BAT
NCV7341D20 version
MEASUREMENT DEFINITIONS AND SETUPS
recessive
dominant
TxD
50%
CANH
CANL
0.9V
− V
CANH
CANL
RxD
0.3 X V
t
d(TxD−BUSon)
t
d(BUSon−RxD)
t
pd(rec−dom)
Figure 6. Timing Diagram for AC Characteristics
http://onsemi.com
NCV7341
Conditions
= 12 V
= 12 V
recessive
50%
0.5V
CC
t
d(TxD−BUSoff)
t
pd(dom−rec)
15
Min
Typ
Max
40
85
105
30
60
105
25
55
105
40
65
105
90
130
230
90
140
245
5.0
10
12.5
5.0
10
12.5
300
600
1000
15
35
50
0.75
2.5
5.0
0.75
3.0
5.8
0.75
2.5
5.0
5.0
25
50
1
2
4
0.7 x V
CC
t
d(BUSoff−RxD)
PC20060915.2
Unit
ns
ns
ns
ns
ns
ns
ms
ms
ms
ms
ms
ms
ms
ms
ms

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