TLE6210G Datasheet, PDF (27/35 Pages) Infineon Technologies AG – ABS System IC

TLE 6210
TLE 6211
Block Description and Electrical Characteristics
Characteristics WD1, WD2
6 V £ U_ZP £ 18 V, -40 °C £ T_j £ +150 °C, if not otherwise specified
#
Parameter
Sym- Limit Values Unit Conditions
bol _{min. typ. max.}
4.11.1 Internal pullup R_WD 10 20
resistor to U_ST
4.11.2 Input voltage Low U_L -0.3 –
4.11.3 Input voltage High U_H 2.0 –
40 kW
1.0 V
U_ST V
+ 1.0
0 V £ U_E £ U_ST + 0.3 V
–
–
4.11.4 Input current
I_H –
–
|5| mA U_E = U_ST
–
–
1.0 mA U_ST < U_E £ U_ST + 1 V
Characteristics Watchdog
6 V £ U_ZP £ 18 V, -40 °C £ T_j £ +150 °C, if not otherwise specified
#
Parameter Sym- Limit Values Unit Conditions
bol _{min. typ. max.}
4.11.5 Release
t_ON 1 –
2
reaction time
´ t_CLK Number of valid Watchdog
input clock edges
4.11.6 Closed
t_pulse –
3
–
window time
´ t_CLK The distance between
clock edges is at least t_pulse
2.25 3
3.3
1.8 3
3.3
4.11.7 Open
t_VR – 15 –
window time
equals:
ms
periodically
ms
pulse
´ t_CLK if the edge distance
Dt > t_VR, VR is switched off
4.11.8 Error flag
detection
13.5 15 17.6
t_FSP – 120 –
108 120 132
ms equals
´ t_CLK if Dt > t_FSP, the error flag is
set.
equals
ms
V1.2 Data Sheet
27
2002-08