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Mixed voltage interface converter
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Patent number 5,663,663
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Issue date Sep 2, 1997
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International Business Machines Corporation
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Tai Cao
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H03 - BASIC ELECTRONIC CIRCUITRY
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Mixed voltage interface converter
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Patent number 5,541,534
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Issue date Jul 30, 1996
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International Business Machines Corporation
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Tai Cao
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H03 - BASIC ELECTRONIC CIRCUITRY
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CMOS receiver circuit
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Patent number 5,539,333
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Issue date Jul 23, 1996
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International Business Machines Corporation
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Tai Cao
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G06 - COMPUTING CALCULATING COUNTING
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CMOS driver circuit
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Patent number 5,525,914
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Issue date Jun 11, 1996
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International Business Machines Corporation
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Tai Cao
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H03 - BASIC ELECTRONIC CIRCUITRY
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High speed off-chip CMOS receiver
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Patent number 5,506,528
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Issue date Apr 9, 1996
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International Business Machines Corporation
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Tai A. Cao
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H03 - BASIC ELECTRONIC CIRCUITRY
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Self-resetting CMOS off-chip driver
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Patent number 5,434,519
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Issue date Jul 18, 1995
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International Business Machines Corporation
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Thanh D. Trinh
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H03 - BASIC ELECTRONIC CIRCUITRY