ETAS
Technical Data
FE
TK-S2.1
-User’s
Guide
38
7.8
Electrical Characteristics
7.8.1
ECU Interface Characteristics
Parameter
Symbol
Condition
1)
Min
Typ
Max
Unit
ECU Standby RAM Output Voltage
VDDSTBY
max. 500 mA load
1.21
1.26
1.3
V
VDDPSTBY Output Voltage
VDDPSTBY
max. 80 mA load
3.14
3.3
3.46
V
Cal_Wakeup Output Voltage
CAL_WAKEUP
Ubatt = 6 V to 36 V,
load = 0 to 50 mA
Ubatt - 1 V
Ubatt
V
ECU Power Supply Supervision Voltage
(3.3 V selected)
VDDP
ECU on
2.67
2.77
2.89
V
ECU off
2.44
2.56
2.68
V
IDDP
VDDP = 3.3 V
800
µA
ECU Standby RAM Supervision Voltage
(1.25 V selected)
VDDSTBY /
VDDSTBY_SENSE
VDDSTBY
1.03
1.07
1.1
V
VDDSTBY
1.02
1.06
1.08
V
IDDSTBY
VDDSTBY = 1.25 V
50
µA
1)
: VDDP
ECU Power Supply off
ECU Power Supply on
VDDP
ECU Power Supply on
ECU Power Supply off
VDDSTBY
ECU Standby RAM Power off
ECU Standby RAM Power on
VDDSTBY
ECU Standby RAM Power on
ECU Standby RAM Power off
