AMIS-41682 Datasheet, PDF (11/16 Pages) ON Semiconductor – Fault Tolerant CAN Transceiver

AMIS−41682, AMIS−41683
Table 9. TIMING CHARACTERISTICS AMIS−4168x V_CC = 4.75 V to 5.25 V, V_BAT = 5 V to 27 V, V_STB = V_CC, T_J = −40°C to
+150°C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max Unit
t_t(r−d)
CANL and CANH Output
Transition Time for
Recessive−to−Dominant
10 to 90%;
0.35 0.60
1.4
ms
C1 = 10 nF; C2 = 0; R1 = 125 W (See Figure 6)
t_t(d−r)
CANL and CANH Output
Transition Time for
Dominant−to−Recessive
10 to 90%;
C1 = 1 nF; C2 = 0; R1 = 125 W (See Figure 6)
0.2
0.3
0.7
ms
t_PD(L)
Propagation Delay TXD to
RXD (LOW)
No Failures
C1 = 1 nF; C2 = 0; R1 = 125 W
C1 = C2 = 3.3 nF; R1 = 125 W
ms
0.75
1.5
1.4
2.1
Failures 1, 2, 5, and 6a (See Figures 4 and 6)
ms
1.2
1.9
1.4
2.1
Failures 3, 3a, 4, 6, and 7 (See Figures 4 and 6)
C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3 nF;
R1 = 125 W
C1 = 1 nF; C2 = 0; R1 = 125 W
C1 = C2 = 3.3nF; R1 = 125 W
ms
1.2
1.9
1.5
2.2
t_PD(H)
Propagation Delay TXD to
RXD (HIGH)
No Failures
C1 = 1 nF; C2 = 0; R1 = 125 W
C1 = C2 = 3.3nF; R1 = 125 W
ms
0.75
1.5
2.5
3.0
Failures 1, 2, 5, and 6a (See Figures 4 and 6)
C1 = 1nF; C2 = 0; R1 = 125 W
C1 = C2 = 3.3nF; R1 = 125 W
ms
1.2
1.9
2.5
3.0
Failures 3, 3a, 4, 6, and 7 (See Figures 4 and 6)
C1 = 1 nF; C2 = 0; R1 = 125 W
C1 = C2 = 3.3 nF; R1 = 125 W
ms
1.2
1.9
1.5
2.2
t_CANH(min) Minimum Dominant Time for
Wake−up on Pin CANH
Low Power Modes; V_BAT = 12 V
7
38
ms
t_CANL(min)
Minimum Dominant Time for
Wake−up on Pin CANL
Low Power Modes; V_BAT = 12 V
7
38
ms
t_det
Failure Detection Time
Normal Mode
Failure 3 and 3a
Failure 4, 6 and 7
ms
1.6
8.0
0.3
1.6
Low Power Modes; V_BAT = 12 V
Failure 3 and 3a
Failure 4 and 7
ms
1.6
8.0
0.1
1.6
t_rec
Failure Recovery Time
Normal Mode
Failure 3 and 3a
Failure 4 and 7
Failure 6
0.3
1.6
ms
7
38
ms
125
750
ms
Low Power Modes; V_BAT = 12 V
Failures 3, 3a, 4, and 7
0.3
1.6
ms
D_pc
Pulse−Count Difference
Normal Mode and Failures 1, 2, 4, and 6a
Between CANH and CANL
Failure Detection (Pin ERR becomes LOW)
Failure Recovery (Pin ERR becomes HIGH)
−
4
4
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