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A Summer-Embedded Sense Amplifier for High-Speed Decision Feedback Equalizer
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2018/11/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: VLSI Design Technology and CAD
sense amplifier, decision feedback equalizer, feedback loop delay, ISI, receiver,
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A summer-embedded sense amplifier (SE SA) is proposed to reduce feedback loop delay (TFB) in a decision feedback equalizer (DFE). In the SE SA, the position of the ISI compensator is changed from the latch input to the latch output, and hence the TFB is reduced. The simulated DFE achieves 32Gb/s and 66fJ/b with a 1-V 65-nm CMOS process.