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能量回收电容耦合逻辑及其综合方法
引用本文:杨骞,周润德.能量回收电容耦合逻辑及其综合方法[J].半导体学报,2005,26(7).
作者姓名:杨骞  周润德
作者单位:清华大学微电子学研究所,北京,100084
摘    要:提出了一种新型能量回收电路ERCCL(能量回收电容耦合逻辑),该电路的能耗低于传统CMOS电路及其他能量回收电路.ERCCL利用电容耦合进行逻辑求值,因此可以在一个门中低能耗地实现高扇入、高复杂度的逻辑.同时ERCCL是一种阈值逻辑.所以一个基于ERCCL的系统可以大大减少逻辑门数,从而降低系统能耗.针对ERCCL提出了一种阈值逻辑综合方法.用基准电路集MCNC做了相应的实验.与SIS的综合结果相比,该方法大约减少80%的逻辑门.

关 键 词:能量回收  阈值逻辑  逻辑综合  电容耦合  CMOS电路

Energy Recovery Capacitance Coupling Logic and Its Synthesis Methodology
Abstract:A novel energy recovery logic style ERCCL (energy recovery capacitance coupling logic),which has good energy performance compared to the conventional CMOS logic and other advanced energy recovery logic, is proposed. ERCCL uses capacitance coupling to perform a logic function, so it can energy-efficiently implement a high fan-in complex logic in a single gate. ERCCL is also a type of threshold logic. The gate count of a system based on ERCCL can be significantly reduced, which, in turn, will decrease the energy loss. A threshold logic synthesis methodology for ERCCL is also presented. MCNC benchmarks are run through the proposed synthesis methodology. The results indicate that about an 80 % reduction in gate count can be obtained when compared with the synthesis results of SIS.
Keywords:energy recovery  threshold logic  logic synthesis  capacitance coupling  CMOS circuits
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