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A Current-Mirror Winner-Take-All Sense Amplifier for Low Voltage SRAMs
Song JIA Heqing XU Fengfeng WU Yuan WANG
IEICE TRANSACTIONS on Electronics
Publication Date: 2013/09/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: BRIEF PAPER
Category: Integrated Electronics
SRAM, sense amplifier, winner-take-all, high speed,
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We propose a current mode sense amplifier that uses a current-mirror to increase the bitline sensing current, which dominates the sensing speed. A comparison of the sensing delay shows that the proposed sense amplifier can provide about 12.6∼15.4% improvement depending on different bitline loads in sensing speed over original WTA scheme.