SIM340 Hardware Design
5.5 Electro-Static discharge
The GSM engine is not protected against Electrostatic Discharge (ESD) in general. Therefore, it is
subject to ESD handing precautions that typically apply to ESD sensitive components. Proper
ESD handing and packaging procedures must be applied throughout the processing, handing and
operation of any application using a SIM340 module.
The measured values of SIM340 are shown as the following table:
Table
31
: The ESD endure statue measured table (Temperature: 25
, Humidity
℃
: 45% )
Part
Contact discharge
Air discharge
VBAT,GND
±4KV
±8KV
KBR0-4, DTR, RXD, TXD, RTS,
DISP_DATA, DISP_CLK
±2KV
±4KV
Antenna port
±2KV
±4KV
Other port
±1KV
SIM340_HD_V3.09
18.03.2009
58
