专利名称：Mixed-voltage I/O buffer
发明人：Chua-Chin Wang,Wei-Chih Chang,Tzung-Je
Lee,Kuo-Chan Huang
申请号：US12289132
申请日：20081021
一化三改造公开号：US20100097117A1
公开日：
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20100422
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专利附图：
摘要：A mixed-voltage input/output (I/O) buffer includes an output buffer circuit. The output buffer circuit includes an output stage circuit, a gate-tracking circuit and a floating N-well circuit. The output stage circuit includes stacked pull-up P-type transistors and
乙肝两对半检查stacked pull-down N-type transistors, in which a first P-type transistor of the stacked pull-up P-type transistors and a first N-type transistor of the stacked pull-down N-type transistors are coupled to an I/O pad. The gate-tracking circuit controls gate voltage of the first P-type transistor in accordance with a voltage of the I/O pad to prevent leakage current. The floating N-well circuit provides N-well voltages for an N-well of the first P-type transistor and an N-well of a cond P-type transistor, controlling gate voltage of the first P-type transistor, of the gate-tracking circuit to prevent leakage current.
古筝琴谱申请人：Chua-Chin Wang,Wei-Chih Chang,Tzung-Je Lee,Kuo-Chan Huang
讽刺英语
地址：Kaohsiung TW,Kaohsiung TW,Kaohsiung TW,Tainan County TW
贝壳项链国籍：TW,TW,TW,TW
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