SIM Tech SIMCom SIM800 User Manual

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SIM800_Hardware Design_V1.09 54 2016-06-30
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

SIM Tech SIMCom SIM800 Specifications

General

Brand	SIM Tech
Model	SIMCom SIM800
Category	Control Unit
Language	English