Method for coupling logic blocks using low threshold pass transistors
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United States of America Patent
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Dec 3, 2002
Grant Date -
N/A
app pub date -
Jun 1, 2001
filing date -
Jun 1, 2001
priority date (Note) -
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Abstract
Programmable logic structures include logic blocks that operate at very low supply voltages. According to the invention, a pass transistor is positioned between logic blocks. Since the logic blocks of the invention operate at very low supply voltages, the pass transistor can be overdriven on, thereby reducing the added resistance. In one embodiment of the invention, the pass transistor is a low threshold transistor. In this embodiment, the pass transistor is also overdriven off to reduce leakage current and further isolate the logic blocks.
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