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	Low-standby-current and high-speed SAFF with improved conditional-precharge modules
	Qiao, Fei ; Yang, Huazhong ; Wang, Hui
	2010-10-12 ; 2010-10-12
关键词	low power standby power low swing clock conditional-precharge SAFF DFF digital electronics FLIP-FLOP HIGH-PERFORMANCE POWER REDUCTION LATCHES Engineering, Electrical & Electronic
中文摘要	A new low-power and high-speed sense-amplifier-based flip-flop with improved conditional-precharge modules (LSCP-SAFF) is proposed. By employing a modified differential latch with one shared output holder for the 2nd-stage and taking a novel clocked NMOS transistor to improve timing performance, the LSCP-SAFF can achieve a much shorter static CLK-to-Q delay and D-to-Q delay than those of the original conditional-precharge sense-amplifier-based flip-flop (CP-SAFF). Rather than the traditional CP-SAFF, a novel conditional-precharge scheme is adopted in the present study so that the standby power reduction ratio has reached 69%. Post-layout simulation results show that the LSCP-SAFF, compared with the conventional DFF of a modern industrial CMOS standard cell library, suffer from neither timing nor area penalties. Not only so, it has achieved up to 38% of the dynamic power reduction ratio and 42% of power-delay-product (PDP) reduction ratio, respectively. In addition, driven by low swing clock signals, the LSCP-SAFF is superior in both the timing performance and the standby power. Last, the reliability analysis shows that the LSCP-SAFF is less noise sensitive because of its fully differential structure.
语种	英语 ; 英语
出版者	TAYLOR & FRANCIS LTD ; ABINGDON ; 4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82232]
专题	清华大学
推荐引用方式 GB/T 7714	Qiao, Fei,Yang, Huazhong,Wang, Hui. Low-standby-current and high-speed SAFF with improved conditional-precharge modules[J],2010, 2010.
APA	Qiao, Fei,Yang, Huazhong,&Wang, Hui.(2010).Low-standby-current and high-speed SAFF with improved conditional-precharge modules..
MLA	Qiao, Fei,et al."Low-standby-current and high-speed SAFF with improved conditional-precharge modules".(2010).

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