Quectel SC200E Series

Smart Module Series
SC200E_Series_Hardware_Design 86 / 115
7.3. Digital I/O Characteristics
Table 44: 1.8 V Digital I/O Requirements
Table 45: (U)SIM 1.8 V I/O Requirements
Table 46: (U)SIM 2.95 V I/O Requirements
USB_VBUS
Charging power input
-
4.0
5.0
6.0
V
Parameter
Description
Min.
Max.
Unit
V
IH
Input high voltage
1.17
2.1
V
V
IL
Input low voltage
-0.3
0.63
V
V
OH
Output high voltage
1.35
1.8
V
V
OL
Output low voltage
0
0.45
V
Parameter
Description
Min.
Max.
Unit
USIM_VDD
Power supply
1.75
1.85
V
V
IH
Input high voltage
1.26
2.1
V
V
IL
Input low voltage
-0.3
0.36
V
V
OH
Output high voltage
1.44
1.8
V
V
OL
Output low voltage
0
0.4
V
Parameter
Description
Min.
Max.
Unit
USIM_VDD
Power supply
2.8
3.1
V
V
IH
Input high voltage
2.065
3.25
V
V
IL
Input low voltage
-0.3
0.59
V