CLM920_NC2_LTE M.2 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Chapter 5. Interface electrical characteristics
5.1 Working storage temperature
Table 5-1 CLM920_NC2 M.2 4G module working storage temperature
parameter
Min
Max
Normal operating temperature
-35
°
C
75
°
C
Extreme working temperature
-40
°
C
85
°
C
storage temperature
-45
°
C
90
°
C
5.2 Module IO level
CLM920_NC2 M.2 module IO level is as follows:
The corresponding UIM_PWR is 1.8V for the 1.8V USIM application. The UIM_PWR is
2.85V for the 3V USIM application.
Other digital IO levels are unified to 1.8V.
Table 5-2 Electrical Characteristics of CLM920_NC2 M.2 Module
parameter
Parameter Description
Min
Max
VIH
High level input voltage
0.65* VDD_EXT
0.3V
VIL
Low level input voltage
-
0.35*VDD_EXT
VOH
High level output voltage
VDD_EXT-0.45V
VDD_EXT
VOL
Low level output voltage
0
0.45V
5.3 power supply
CLM920_NC2 M.2 module input power requirements are as follows:
Table 5- 3 CLM920_NC2 M.2 module operating voltage
parameter
Min
Typical
Max
Input voltage
3.3V
3.3V
4.2V
The power-on time of any interface of the module must not be earlier than the boot time of
the module. Otherwise, the module may be abnormal or damaged.