SIM Tech SIMCom SIM868 Series User Manual

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SIM868_Series_Hardware_Design_V1.06 59 2017-07-13
Note: These parameters are for digital interface pins, such as GPIO and UART.
8.4. SIM Card Interface Characteristics
Table 37: SIM card interface characteristics
Symbol Parameter Min Typ Max Unit
I
IH
High-level input current -1.0 - 1.0 uA
I
IL
Low-level input current -1.0 - 1.0 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
8.5. SIM_VDD Characteristics
Table 38: SIM_VDD characteristics
Symbol
Parameter
Min
Typ
Max
Unit
V
O
Output voltage
- 3.0 -
V
- 1.8 -
I
O
Output current - - 10 mA
8.6. VDD_EXT Characteristics
Table 39: 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
8.7. Current Consumption（GSM_VBAT=4.0V）
Table 40: Current consumption
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
GSM_VBAT
Voltage
4.0
V
Power drop PCL=5 350 mV
Voltage ripple PCL=5
SIMCOM CONFIDENTIAL FILE

SIM Tech SIMCom SIM868 Series Specifications

General

Brand	SIM Tech
Model	SIMCom SIM868 Series
Category	GSM/GPRS Modules
Language	English