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9th International Symposium on Quality Electronic Design (isqed 2008)
Feedback-Switch Logic (FSL): A High-Speed Low-Power Differential Dynamic-Like Static CMOS Circuit Family
March 17-March 19
ISBN: 978-0-7695-3117-5
We present a new dynamic-like static circuit family called Feedback-Switch Logic (FSL) that is suitable for high-speed low-power applications. FSL is a derivative of Cascode Voltage Switch Logic (CVSL) family. However, it does not suffer from the contention problems of clockless CVSL, and it consumes much less power than clocked CVSL (dual-rail domino). FSL gates offer fast switching, reduced capacitance, and input-switching dependent activity factor without the need of clock connection. An 18-bit majority voting circuit is simulated in a 90-nm technology, in order to compare static, clockless CVSL, dual-rail domino and FSL. Simulation results show that FSL reduces delay by 21% compared to static logic, and offers at least 46% power reduction compared to dynamic dual-rail domino logic with two-phase skew-tolerant clocking
Index Terms:
circuit family, high-speed, low-power
Citation:
Charbel J. Akl, Magdy A. Bayoumi, "Feedback-Switch Logic (FSL): A High-Speed Low-Power Differential Dynamic-Like Static CMOS Circuit Family," isqed, pp.385-390, 9th International Symposium on Quality Electronic Design (isqed 2008), 2008
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