Table 36: 1.8V Digital I/O characteristics*
Parameter Description
V
High-level input voltage
IH
V
Low-level input voltage
IL
V
High-level output voltage
OH
V
Low-level output voltage
OL
High-level output current(no pull
I
OH
down resistor)
Low-level output current(no pull
I
OL
up resistor)
Input high leakage current (no
I
IH
pull down resistor)
Input low leakage current(no pull
I
IL
up resistor)
NOTE
These parameters are for digital interface pins, such as GPIOs (including NETLIGHT and STATUS),
I2C, UART, PCM, SPI and BOOT_CFG.
The operating temperature of SIM7090G is listed in the following table.
Table 37: Operating temperature
Parameter
operation temperature
Storage temperature
NOTE
Module is able to make and receive voice calls, data calls, SMS and make GPRS/LTE traffic in -40℃ ~
+85℃. The performance will be reduced slightly from the 3GPP specifications if the temperature is
outside the normal operating temperature range and still within the extreme operating temperature
range.
www.simcom.com
Min.
Typ.
1.17
1.8
-0.3
0
1.35
-
0
-
-
2
-
-2
-
-
-1
-
Min.
Typ.
-40
25
-45
25
SIM7090G User Manual V1.01
Max.
Unit
2.1
V
0.63
V
1.8
V
0.45
V
-
mA
-
mA
1
uA
-
uA
Max.
Unit
85
℃
+90
℃
55 / 77
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