 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
SP491EEN Datasheet(PDF) 8 Page - Sipex Corporation |
|
||||||||||||||||||||||||||||||
SP491EEN Datasheet(HTML) 8 Page - Sipex Corporation |
|
|
8 / 12 page  SP490EDS/14 SP490E Enhanced Full Duplex RS-485 Transceivers © Copyright 2000 Sipex Corporation 8 There are different methods of ESD testing applied: a) MIL-STD-883, Method 3015.7 b) IEC1000-4-2 Air-Discharge c) IEC1000-4-2 Direct Contact 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 9. 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. The IEC-1000-4-2, formerly IEC801-2, is generally used for testing ESD on equipment and systems. For system manufacturers, they must guarantee a certain amount of ESD protection since the system itself is exposed to the outside environment and human presence. The premise with IEC1000-4-2 is that the system is required to withstand an amount of static electricity when ESD is applied to points and surfaces of the R RS S and and R RV V add up to 330 add up to 330 Ω Ω ffor IEC1000-4-2. or IEC1000-4-2. RS and RV add up to 330Ω for IEC1000-4-2. Contact-Discharge Module Contact-Discharge Module R RV V R RC C C CS S R RS S SW1 SW1 SW2 SW2 RC Device Under Test DC Power Source CS RS SW1 SW2 RV Contact-Discharge Module Figure 10. ESD Test Circuit for IEC1000-4-2 Figure 11. ESD Test Waveform for IEC1000-4-2 t=0ns t=30ns 0A 15A 30A t ¥ equipment that are accessible to personnel during normal usage. The transceiver IC receives most of the ESD current when the ESD source is applied to the connector pins. The test circuit for IEC1000-4-2 is shown on Figure 10. There are two methods within IEC1000-4-2, the Air Discharge method and the Contact Discharge method. With the Air Discharge Method, an ESD voltage is applied to the equipment under test (EUT) through air. This simulates an electrically charged |
Similar Part No. - SP491EEN |
|
Similar Description - SP491EEN |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
