TC1793 Datasheet, PDF (101/189 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

TC1793
Electrical ParametersGeneral Parameters
5.1.4 Pin Reliability in Overload
When receiving signals from higher voltage devices, low-voltage devices experience
overload currents and voltages that go beyond their own IO power supplies specification.
Table 10 defines overload conditions that will not cause any negative reliability impact if
all the following conditions are met:
• full operation life-time (24000 h) is not exceeded
• Operating Conditions are met for
– pad supply levels (V_DDP, V_DDM, or, V_DDEBU)
– temperature
If a pin current is out of the Operating Conditions but within the overload parameters,
then the parameters functionality of this pin as stated in the Operating Conditions can no
longer be guaranteed. Operation is still possible in most cases but with relaxed
parameters.
Note: An overload condition on one or more pins does not require a reset.
Table 10 Overload Parameters
Parameter
Symbol
Values
Min. Typ. Max.
Input current on any digital pin I_IN
during overload condition
except LVDS pins
Input current on LVDS pins
Absolute sum of all input
circuit currents for one port
group during overload
condition¹⁾
I_INLVDS
I_ING
Input current on analog pins
Absolute sum of all analog
input currents for analog
inputs during overload
condition
I_INANA
I_INSA
Absolute sum of all input
circuit currents during
overload condition
ΣI_INS
1) The port groups are defined in Table 14.
-5 – +5
-3 – +3
-20 – +20
-3 – +3
-45 – +45
-100 – 100
Unit Note /
Test Con
dition
mA
mA
mA
mA
mA
mA
Note: FADC input pins count as analog pin as they are overlayed with an ADC pins.
Data Sheet
94
V 1.2, 2014-05