SimCom SIM800 User Manual

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SIM800_Hardware Design_V1.10 54 2018-08-13
6.4 SIM Card Interface Characteristics
Table 38: SIM card interface characteristic
Symbol
Parameter
Min
Typ
Max
Unit
I
IH
High-level input current -1 - 1 uA
I
IL
Low-level input current -1 - 1 uA
V
IH
High-level input voltage
1.4 - - V
2.4
-
-
V
V
IL
Low-level input voltage
-
-
0.27
V
0.4 V
V
OH
High-level output voltage
1.62
-
-
V
2.7 - - V
V
OL
Low-level output voltage
- - 0.36 V
- - 0.4 V
6.5 SIM_VDD Characteristics
Table 39: SIM_VDD characteristics
Symbol Parameter Min Typ Max Unit
V
O
Output voltage - 3.0 -
V
- 1.8 -
I
O
Output current - - 10 mA
6.6 VDD_EXT Characteristics
Table 40: VDD_EXT Characteristics
Symbol
Parameter
Min
Typ
Max
Unit
V
O
Output voltage 2.7 2.8 2.9 V
I
O
Output current - - 50 mA
6.7 VRTC Characteristics
Table 41: VRTC Characteristics
Symbol
Description
Min
Typ
Max
Unit
V
RTC-IN
VRTC input voltage 1.2 2.8 3.0 V
I
RTC-IN
VRTC input current
-
3.0
-
uA
V
RTC-OUT
VRTC output voltage - 2.8 - V
I
RTC-OUT
VRTC output current - 2.0 mA

SimCom SIM800 Specifications

General

Brand	SimCom
Model	SIM800
Category	Control Unit
Language	English