An Improved Bidirectional SCR Structure for Low-Triggering ESD Protection Applications

An improved dual-polarity silicon-controlled rectifier (SCR) device has been proposed and realized in a 0.6-mum bipolar complementary metal-oxide-semiconductor process. The device can be used to protect electrostatic discharge (ESD) in both the positive and negative directions on pins with a voltage...

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Veröffentlicht in:IEEE electron device letters 2008-04, Vol.29 (4), p.360-362
Hauptverfasser: Zhiwei Liu, Vinson, J., Lifang Lou, Liou, J.J.
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creator Zhiwei Liu
Vinson, J.
Lifang Lou
Liou, J.J.
description An improved dual-polarity silicon-controlled rectifier (SCR) device has been proposed and realized in a 0.6-mum bipolar complementary metal-oxide-semiconductor process. The device can be used to protect electrostatic discharge (ESD) in both the positive and negative directions on pins with a voltage range that goes below ground. Comparing with the conventional bidirectional SCR structures, the new device is more suitable for low-voltage integrated circuit ESD protection applications because it possesses a smaller trigger voltage, a smaller leakage current, and a larger holding voltage.
doi_str_mv 10.1109/LED.2008.917111
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ispartof IEEE electron device letters, 2008-04, Vol.29 (4), p.360-362
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language eng
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source IEEE Electronic Library (IEL)
subjects Applied sciences
Bidirectional
Bidirectional electrostatic discharge (ESD) protection
Clamps
Computer science
Design. Technologies. Operation analysis. Testing
Devices
Electric potential
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Electrostatic discharge
Electrostatic discharges
Exact sciences and technology
Grounds
holding voltage
Integrated circuits
latch-up immunity
Leakage current
Pins
Protection
Rectifiers
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Stress
Thyristors
triggering voltage
Voltage
title An Improved Bidirectional SCR Structure for Low-Triggering ESD Protection Applications
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