Product Info

LTE-A Module Series
EM121R-GL Hardware Design
EM121R-GL Hardware Design 71 / 80
6.2.2. USB Version
Table 45: EM121R-GL Current Consumption (USB Only Version, 3.7 V Power Supply)
6.3. Digital I/O Characteristic
Table 46: Logic Levels of Digital I/O (1.8 V)
Table 47: (U)SIM 1.8 V I/O Requirements
Table 48: (U)SIM 3.0 V I/O Requirements
Description
Conditions
Typ.
Unit
OFF state
Power down
66
μA
Parameter
Description
Min.
Max.
Unit
V
IH
Input high voltage
1.65
2.1
V
V
IL
Input low voltage
-0.3
0.54
V
V
OH
Output high voltage
1.3
1.8
V
V
OL
Output low voltage
0
0.4
V
Parameter
Description
Min.
Max.
Unit
USIM_VDD
Power supply
1.65
1.95
V
V
IH
Input high voltage
0.7 × USIM_VDD
USIM_VDD + 0.3
V
V
IL
Input low voltage
-0.3
0.2 × USIM_VDD
V
V
OH
Output high voltage
0.8 × USIM_VDD
USIM_VDD
V
V
OL
Output low voltage
0
0.4
V
Parameter
Description
Min.
Max.
Unit
USIM_VDD
Power supply
2.7
3.05
V