I/O Interface Characteristics - Quectel FC64E Hardware Design

Wi-fi&bluetooth module
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Table 18: Recommended Operating Conditions
Parameter
VDD_CORE_VL
VDD_CORE_VM
VDD_CORE_VH
VDD_IO
VDD_RF
VDD_3V3

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
Symbol
Parameter
V
High-level Input Voltage
IH
V
Low-level Input Voltage
IL
V
High-level Output Voltage
OH
V
Low-level Output Voltage
OL
FC64E_Hardware_Design
Min.
Typ.
0.9
0.95
1.3
1.35
1.85
1.95
1.71
1.8
1.9
2.2
3.0
3.3
Min.
0.65 × VDD_IO
-0.3
VDD_IO - 0.45
0
Wi-Fi&Bluetooth Module Series
Max.
1.0
1.42
2.05
1.89
2.4
3.6
Max.
VDD_IO + 0.3
0.35 × VDD_IO
VDD_IO
0.45
39 / 53
Unit
V
V
V
V
V
V
Unit
V
V
V
V

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