WH-LTE-7S1-E Hardware Manual
Technical Support:
Jinan USR IOT Technology Limited
www.pusr.com
15
3.0V I/O voltage parameters:
Symbol
Parameter
Min
Typ
Max
Unit
V
IH
High-level input voltage
2.1
3.0
3.0
V
V
IL
Low-level input voltage
0
0
0.6
V
V
OH
High-level output voltage
2.1
3.0
3.1
V
V
OL
Low-level output voltage
0
0
0.45
V
4.4. IO Current Range
IO pin
Maximum input current
Maximum drive current
IO current
4mA
4mA
5. Mechanical Characteristics
5.1. Reflow Soldering