ETAS
Technical Data
XETK-S22.0
-U
ser’s
G
uide
49
7.11
Electrical Characteristics
7.11.1
ECU Interface Characteristics
Parameter
Symbol
Condition
1)
Min
Typ
Max
Unit
CalWakeup Output Voltage
CALWAKEUP
U
Batt
= 6.6 - 32 V;
load 0 - 50 mA
U
Batt
- 1 V
U
Batt
V
ECU Power Supply Supervision
Voltage (3.3 V selected)
VDD
VDD
2.55
2.58
2.60
V
VDD
2.41
2.43
2.45
V
I
VDD
VDD = 3.3 V
200
µA
ECU Power Supply Supervision
Voltage (5.0 V selected)
VDD
VDD
4.02
4.06
4.09
V
VDD
3.88
3.91
3.94
V
I
VDD
VDD = 5.0 V
300
µA
ECU Standby RAM Supervision
Voltage (1.25 V selected)
VSTBY (Sense) VSTBY
1.13
1.14
1.15
V
VSTBY
1.11
1.12
1.13
V
I
VSTBY
VSTBY = 1.25 V
73
µA
ECU Standby RAM Output Voltage(1.09V)
2)
VDDSBRAM
max. 500 mA load
1.03
1.09
1.14
V
ECU Standby RAM Output Voltage(1.25V)
2)
VDDSBRAM
max. 500 mA load
1.20
1.25
1.29
V
Power to supply ECU Interface (optional)
VDDPSBRAM
max. 80 mA load
3.20
3.30
3.40
V
1)
: VDDP
ECU Power Supply off
ECU Power Supply on; VDDP
ECU Power Supply on
ECU Power Supply off
VDDSBRAM
ECU Standby RAM Power off
ECU Standby RAM Power on
VDDSBRAM
ECU Standby RAM Power on
ECU Standby RAM Power off
2)
: Current drawn from XETK VDDSBRAM supply must not exceed 500 mA
