Low swing dynamic circuit
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United States of America Patent
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Nov 18, 2014
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N/A
app pub date -
Sep 19, 2012
filing date -
Sep 19, 2012
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Abstract
Embodiments of the present disclosure enable low swing dynamic circuits with reduced dynamic power and leakage power. In an embodiment, a level detector circuit monitors the pre-charge voltage level of the dynamic node of a dynamic circuit and discontinues the charging of the dynamic node when the pre-charge voltage exceeds a logic high reference voltage. The logic high reference voltage is selected below a supply voltage of the dynamic circuit, resulting in a low swing dynamic circuit. In another embodiment, the pull-down logic circuitry is disconnected from the dynamic node when the dynamic node voltage falls below a logic low reference voltage, above a ground voltage. In another embodiment, a DC keeper circuit of the dynamic circuit is configured based on the pre-charge level of the dynamic node.
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