发明名称 ESD protection circuit utilizing floating lateral clamp diodes
摘要 A semiconductor chip is ESD protected, in part, by utilizing floating lateral clamp diodes. Unlike conventional clamp diodes, which are based upon parasitic bipolar devices associated with large MOS transistors, the floating lateral clamp diodes utilize a well formed in the substrate as the cathode, and a plurality of regions of the opposite conductivity type which are formed in the well as the anode.
申请公布号 US6977420(B2) 申请公布日期 2005.12.20
申请号 US19980164216 申请日期 1998.09.30
申请人 NATIONAL SEMICONDUCTOR CORPORATION 发明人 PASQUALINI RONALD
分类号 H01L23/62;H01L27/02;H02H9/04;H03K5/08;H03L5/00;(IPC1-7):H01L23/62 主分类号 H01L23/62
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