SP3203 データシートの表示（PDF） - Signal Processing Technologies

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SP3203

3V RS-232 Serial Transceiver with Logic Selector and 15kV ESD Protection

Signal Processing Technologies 

ESD TOLERANCE

The SP3203 incorporates ruggedized ESD cells

on all driver output and receiver input pins.

The Human Body Model has been the generally

accepted ESD testing method for semiconductors.

This method is also specified in MIL-STD-883,

Method 3015.7 for ESD testing. The premise of

this ESD test is to simulate the human body’s

potential to store electro-static energy and

discharge it to an integrated circuit. The

simulation is performed by using a test model as

shown in Figure 18. This method will test the

IC’s capability to withstand an ESD transient

during normal handling such as in manufacturing

areas where the ICs tend to be handled frequently.

For the Human Body Model, the current limiting

resistor (RS) and the source capacitor (CS) are

1.5kΩ and 100pF, respectively.

RRCC

DC Power

Source

SSWW11

RRSS

CCSS

SSWW22

Device

Under

Test

Figure 18. ESD Test Circuit for Human Body Model

Date: 02/24/05

SP3203, 3V, RS232 Serial Transceiverwith Logic Selector and 15kV ESD

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© Copyright 2005 Sipex Corporation

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