Variability resilient sense amplifier with reduced energy consumption

V. Sharma (Inventor), S. Cosemans (Inventor), W. Dehaene (Inventor), F. Catthoor (Inventor), M. Ashouei (Inventor), J. Huisken (Inventor)

Research output: PatentPatent publication

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Abstract

An ultra low power sense amplifier circuit for amplifying a low swing input signal to a full swing output signal is disclosed. In one aspect, the amplifier circuit includes a first amplifier stage for pre-amplifying the input signal to an intermediate signal on its internal nodes, a second amplifier stage for amplifying the intermediate signal to the output signal, and a control circuit for sequentially activating the first and second amplifier. The first amplifier has a capacitor for limiting energy consumption and two upsized PMOS transistors without NMOS transistors.

Original languageEnglish
Patent numberUS2012063252
IPCG11C 7/ 02 A I
Priority date13/09/11
Publication statusPublished - 15 Mar 2012
Externally publishedYes

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