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33889 Datasheet, PDF (14/60 Pages) Freescale Semiconductor, Inc – System Basis Chip with Low Speed Fault Tolerant CAN Interface
ELECTRICAL CHARACTERISTICS
STATIC ELECTRICAL CHARACTERISTICS
Table 4. Static Electrical Characteristics (continued).
Characteristics noted under conditions - VSUP From 5.5 V to 18 V and TJ from -40°C to 125°C, unless otherwise noted. Typical
values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Description
Symbol
Min
Typ
Max
Unit
CANH Output Voltage, Dominant
TX = 0.0 V; ICANH = -40 mA; Normal Operating Mode (19)
VCANH
V2 - 1.4
CANL Output Voltage, Dominant
TX = 0.0 V; ICANL = 40 mA; Normal Operating Mode (19)
VCANL
CANH Output Current (VCANH = 0; TX = 0.0)
For 33889D
For 33889B
ICANH
50
100
50
75
CANL Output Current (VCANL = 14 V; TX = 0.0)
For 33889D
For 33889B
ICANL
50
140
50
90
Detection Threshold For Short-circuit To Battery Voltage
VCANH, VCANL
7.3
7.9
(Normal Mode)
V
1.4
V
mA
130
110
mA
170
135
8.9
V
Detection Threshold For Short-circuit To Battery Voltage
(Term VBAT Mode), MC33889B
VcanH
Detection Threshold For Short-circuit To Battery Voltage
(Term VBAT Mode), MC33889D
CANH Output Current (Term VBAT Mode; VCANH = 12 V,
Failure3)
VcanH
ICANH
CANL Output Current (Term VBAT Mode; VCANL = 0.0 V;
VBAT = 12 V, Failure 4)
ICANL
CANL Wake-Up Voltage Threshold
VWAKE,L
CANH Wake-Up Voltage Threshold
VWAKE,H
Wake-Up Threshold Difference (Hysteresis)
VWAKEL-
VWAKEH
CANH Single Ended Receiver Threshold (Failures 4, 6, 7)
VSE, CANH
CANL Single Ended Receiver Threshold (Failures 3, 8)
VSE, CANL
CANL Pull Up Current (Normal Mode)
ICANL,PU
CANH Pull Down Current (Normal Mode)
ICANH,PD
Receiver Differential Input Impedance CANH / CANL
Differential Receiver Common Mode Voltage Range (20)
RDIFF
VCOM
CANH To Ground Capacitance
CCANH
CANL To Ground Capacitance
CCANL
CCANL to CCANH Capacitor Difference
DCCAN
CAN Driver Thermal Shutdown
tCSD
Notes
19. For MC33889B, after 128 pulses on TX and no bus failure.
20. Guaranteed by design
Vsup/2+3
Vsup/2+3
2.5
1.2
0.2
1.5
2.8
45
45
100
-10
150
5.0
0.0
3.0
2.0
1.85
3.05
75
75
160
Vsup/2+5
V
Vsup/
2+4.55
V
10
µA
2.0
µA
3.9
V
2.7
V
V
2.15
V
3.4
V
90
µA
90
µA
300
kohm
10
V
50
pF
50
pF
10
pF
°C
33889
14
Analog Integrated Circuit Device Data
Freescale Semiconductor