MC33389 Datasheet, PDF (6/35 Pages) Motorola, Inc – System Basis Chip with Low Speed Fault Tolerant CAN

Parameter
MC33389
Freescale Semiconductor, Inc.
Symbol Min
Typ
Max
Unit
Test Conditions
CANH Pull Down Current
Receiver Differential Input
Impedance CANH / CANL
I_canlpd
45
75
90
µA
R_diff
100
180
kΩ
BusNormal Mode
Differential Receiver Common
Mode Voltage Range
V_com
-8
8
V
RTH, RTL Pins
RTL to V2 Switch on Resistance
R_rtl
10
25
70
Ω
I_out<-10mA, BusNormal
Operating Mode
RTL to BAT Switch Series Resistance
R_rtl
8
12.5
20
kΩ
RTH to Ground Switch on Resistance R_rth
25
70
Ω
THERMAL SHUTDOWN
BusStandby Mode
I_out<10mA, All Mode
Shutdown Temperature
T_sd
165
°C
AC CHARACTERISTICS
CANL and CANH Slew Rates, Ris-
ing or Falling Edges, Tx from
Recessive to Dominant State
3.5
5
10
V/µs
C_load=10nF, 133Ω
Termination Resistors
CANL and CANH Slew Rates, Ris-
ing or Falling Edges, Tx from Domi-
nant to Recessive State
2
3.5
10
V/µs
C_load=10nF, 133Ω
Termination Resistors
Propagation Delay TX to RX Low
T_dh
1.2
2
µs
C_load=10nF, 133Ω
Termination Resistors
Propagation Delay TX to RX High
T_dl
2
3
µs
C_load=10nF, 133Ω
Termination Resistors
Min. Dominant Time for Wake-up
on CANL or CANH
T_wake
4
Failure 3 Detection Time
10
40
µs
60
µs
BusStandby Mode,
V_bat=12V
BusNormal Mode
Failure 3 Recovery Time
10
60
µs
BusNormal Mode
Failure 6 Detection Time
50
400
µs
BusNormal Mode
Failure 6 Recovery Time
150
1000
µs
BusNormal Mode
Failure 4, 7, 8 Detection Time
0.75
4
ms
BusNormal Mode
Failure 4, 7, 8 Recovery Time
10
60
µs
BusNormal Mode
Failure 3, 4, 7 Detection Time
Failure 3, 4, 7 Recovery Time
Edge Count Difference Between
CANH and CANL for
Failures 1, 2, 5 Detection
0.8
8
ms BusStandby Mode, V_bat=12V
2.5
ms BusStandby Mode,V_bat=12V
3
BusNormal Mode
Edge Count Difference Between
CANH and CANL for
3
Failures 1, 2, 5 Recovery
BusNormal Mode
MC33389
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