5G Module Series
RM500Q-GL Hardware Design
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6.3. Digital I/O Characteristic
Table 41: Logic Levels of Digital I/O (1.8 V)
Table 42: (U)SIM 1.8 V I/O Requirements
WCDMA B1 CH10700 @ 23 dBm
560
mA
WCDMA B2 CH9800 @ 23 dBm
570
mA
WCDMA voice
call
WCDMA B3 CH1338 @ 23 dBm
600
mA
WCDMA B4 CH1638 @ 23 dBm
570
mA
WCDMA B5 CH4408 @ 23 dBm
410
mA
WCDMA B6 CH4175 @ 23 dBm
TBD
mA
WCDMA B8 CH3012 @ 23 dBm
420
mA
WCDMA B19 CH338 @ 23 dBm
440
mA
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
US 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