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6.3. Digital I/O Characteristic
Table 38: Logic Levels of 1.8 V Digital I/O
Parameter
Description
V
Input high voltage
IH
V
Input low voltage
IL
V
Output high voltage
OH
V
Output low voltage
OL
Table 39: Logic Levels of 3.3 V Digital I/O
Parameter
Description
3.3 V
Power Domain
V
Input high voltage
IH
V
Input low voltage
IL
Table 40: (U)SIM 1.8 V I/O Requirements
Parameter
Description
USIM_VDD
Power supply
V
Input high voltage
IH
V
Input low voltage
IL
V
Output high voltage
OH
V
Output low voltage
OL
RM520N-GL_Hardware_Design
Min.
Max.
1.65
2.1
-0.3
0.54
1.3
1.8
0
0.4
Min.
Max.
3.135
3.464
2.0
3.6
-0.5
0.8
Min.
Max.
1.65
1.95
0.7 × USIM_VDD
USIM_VDD + 0.3
-0.3
0.2 × USIM_VDD
0.8 × USIM_VDD
USIM_VDD
0
0.4
5G Module Series
Unit
V
V
V
V
Unit
V
V
V
Unit
V
V
V
V
V
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