標題: Mixed-voltage input/output buffer
作者: Ker
Ming-Dou
Hu
Fang-Ling
公開日期: 12-May-2009
摘要: A mixed-voltage I/O buffer comprises an input circuit, an output circuit, an I/O pad, a pre-driver circuit coupled to the output circuit, two added coupled N-type transistors, and a dynamical gate-controlled circuit coupled to each gate of the two N-type transistors and the pre-driver circuit; one of the N-type transistors is coupled to the input circuit and the output circuit; the other N-type transistor and the dynamic gate-controlled circuit are together coupled to the I/O pad. Thereby, a mixed-voltage I/O buffer which receives 2×VDD-tolerant input signals and overcomes the hot-carrier degradation is realized.
官方說明文件#: H03K003/00
H03K019/0175
H03K019/094
H03B001/00
URI: http://hdl.handle.net/11536/104746
專利國: USA
專利號碼: 07532047
Appears in Collections:Patents


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