TW200705638A - Electrostatic discharge device with controllable holding current - Google Patents
Electrostatic discharge device with controllable holding currentInfo
- Publication number
- TW200705638A TW200705638A TW094124862A TW94124862A TW200705638A TW 200705638 A TW200705638 A TW 200705638A TW 094124862 A TW094124862 A TW 094124862A TW 94124862 A TW94124862 A TW 94124862A TW 200705638 A TW200705638 A TW 200705638A
- Authority
- TW
- Taiwan
- Prior art keywords
- holding current
- distance
- electrostatic discharge
- discharge device
- region
- Prior art date
Links
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The present invention proposes a SCR ESD (electrostatic discharge) device with controllable holding current. A first distance is kept between a first N+ region and a first P+ region. A second distance is kept between a second P+ region and a third N+ region. A holding current of the SCR ESD device can be set to a specific value by adjusting the first distance and the second distance. The holding current is in inverse proportion to the first distance and the second distance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94124862A TWI275172B (en) | 2005-07-22 | 2005-07-22 | Electrostatic discharge device with controllable holding current |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94124862A TWI275172B (en) | 2005-07-22 | 2005-07-22 | Electrostatic discharge device with controllable holding current |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200705638A true TW200705638A (en) | 2007-02-01 |
TWI275172B TWI275172B (en) | 2007-03-01 |
Family
ID=38624297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW94124862A TWI275172B (en) | 2005-07-22 | 2005-07-22 | Electrostatic discharge device with controllable holding current |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI275172B (en) |
-
2005
- 2005-07-22 TW TW94124862A patent/TWI275172B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI275172B (en) | 2007-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |