Quectel FC64E - I;O Interface Characteristics

Wi-Fi&Bluetooth Module Series
FC64E_Hardware_Design
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Table 18: Recommended Operating Conditions
4.3. I/O Interface Characteristics
The following table shows the general DC electrical characteristics over recommended operating
conditions (unless otherwise specified).
Table 19: General DC Electrical Characteristics
Parameter
Min.
Typ.
Max.
Unit
VDD_CORE_VL
0.9
0.95
1.0
V
VDD_CORE_VM
1.3
1.35
1.42
V
VDD_CORE_VH
1.85
1.95
2.05
V
VDD_IO
1.71
1.8
1.89
V
VDD_RF
1.9
2.2
2.4
V
VDD_3V3
3.0
3.3
3.6
V
Symbol
Parameter
Min.
Max.
Unit
V
IH
High-level Input Voltage
0.65 × VDD_IO
VDD_IO + 0.3
V
V
IL
Low-level Input Voltage
-0.3
0.35 × VDD_IO
V
V
OH
High-level Output Voltage
VDD_IO - 0.45
VDD_IO
V
V
OL
Low-level Output Voltage
0
0.45
V