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Punchthrough transient voltage suppressor for EOS/ESD protection of low-voltage IC's
Conference paper

Punchthrough transient voltage suppressor for EOS/ESD protection of low-voltage IC's

Bin Yu, Ya-Chin King, Jeff Pohlman and Chenming Hu
Electrical Overstress/Electrostatic Discharge Symposium Proceedings, pp.27-33
1995

Abstract

A silicon transient voltage suppresser (TVS) is presented for off-chip EOS/ESD protection of ICs with supply voltages ranging from 3.3V down to 1.5V. The np + p - n four-layer TVS operates in punchthrough mode instead of the avalanche mode as in conventional TVS diodes. Performance was investigated by device simulator TMA-MEDICI for several device structure options for ultra-low-voltage EOS/ESD protection.

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