Chua-Chin Wang, L S S Pavan Kumar Chodisetti, Durga Srikanth Kamarajugadda, Oliver Lexter July Alvarez Jose, Pradyumna Vellanki
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引用次数: 0
摘要
加法器对电池供电电子设备中算术电路的效率至关重要。本研究展示了一种使用单相 ANT 逻辑的 8 位 CLA(进位前瞻加法器),可同时提高计算速度和降低功耗。单相 ANT 没有内部环路,从而优化了先前 ANT 的效率。利用台积电 40 纳米技术,制造出了拟议的 8 位 CLA。在 20 pF 负载条件下,通过硅上测量,它达到了 3.2 GHz 的最高工作频率和最低归一化 PDP(功率延迟积)。
A 15.13 mW 3.2 GHz 8-bit carry look-ahead adder using single-phase all-N-transistor logic
Adders are critical to the efficiency of arithmetic circuits in battery-powered electronic devices. This study demonstrates an 8-bit CLA (carry look-ahead adder) using single-phase ANT logic to increase the computation speed and reduce the power dissipation simultaneously. The single-phase ANT has no internal loop that optimizes the efficiency of the prior ANT. Utilizing a TSMC 40-nm technology, the proposed 8-bit CLA is fabricated. It attains the highest operating frequency of 3.2 GHz and the lowest normalized PDP (power delay product) by on-silicon measurement for 20 pF load.
期刊介绍:
Integration''s aim is to cover every aspect of the VLSI area, with an emphasis on cross-fertilization between various fields of science, and the design, verification, test and applications of integrated circuits and systems, as well as closely related topics in process and device technologies. Individual issues will feature peer-reviewed tutorials and articles as well as reviews of recent publications. The intended coverage of the journal can be assessed by examining the following (non-exclusive) list of topics:
Specification methods and languages; Analog/Digital Integrated Circuits and Systems; VLSI architectures; Algorithms, methods and tools for modeling, simulation, synthesis and verification of integrated circuits and systems of any complexity; Embedded systems; High-level synthesis for VLSI systems; Logic synthesis and finite automata; Testing, design-for-test and test generation algorithms; Physical design; Formal verification; Algorithms implemented in VLSI systems; Systems engineering; Heterogeneous systems.