ESD protection circuit with high substrate-triggering efficiency

• Main Authors: HSU KUOUN, KER MING-DOU
• Format: Patent
• Language: English
• Published: 18.03.2004
• Edition: 7
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

An ESD protection circuit with high substrate-triggering efficiency. The circuit comprises a multi-finger-type device having a plurality of finger gates below which a parasitic BJT is formed, a plurality of finger sources, each of which is an emitter of one parasitic BJT, and at least one finger dra...