A Current-Mirror Winner-Take-All Sense Amplifier for Low Voltage SRAMs

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...

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Veröffentlicht in:	IEICE Transactions on Electronics 2013/09/01, Vol.E96.C(9), pp.1205-1207
Hauptverfasser:	JIA, Song, XU, Heqing, WU, Fengfeng, WANG, Yuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Analog circuits Applied sciences Circuit properties Delay Design. Technologies. Operation analysis. Testing Detection Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology high speed Integrated circuits Integrated circuits by function (including memories and processors) Low voltage Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices sense amplifier Sense amplifiers SRAM winner-take-all
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Beschreibung
Zusammenfassung:	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.
ISSN:	0916-8524 1745-1353
DOI:	10.1587/transele.E96.C.1205