DESIGN OF 4-2 COMPRESSOR WITH 2'S COMPLEMENT CAPABILITY

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Journal: THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING Year:2006 | Volume:4 | Issue:1 (A) Page(s): 33-40

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Title

DESIGN OF 4-2 COMPRESSOR WITH 2'S COMPLEMENT CAPABILITY

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Keywords

4-2 COMPRESSORQ4

2'S COMPLEMENT PROPERTYQ4

CURRENT MODEQ4

MULTIPLE VALUED LOGICQ4

Abstract

Compressors are widely used in realization of multi-operand addition as well as the reduction of multiplication tree. One of the major properties of 4-2 COMPRESSOR is compression degree of two. 4-2 COMPRESSORs are used in order to design and implement larger compressors such as 6-2, 9-2 and IEEE 754 standard (27-2 compressor). The inconvenient of conventional 4-2 COMPRESSOR is the incapability of handling the signed numbers. In this paper a new technique for addition is proposed. Using this method and CURRENT MODE MULTIPLE VALUED LOGIC we propose a new circuit. It enjoys the 2'S COMPLEMENT PROPERTY and preserves the conventional 4-2 COMPRESSOR reduction degree. This design is simpler to realize. The propagation delay in the best and worst cases is exactly the same. The number of transistor used is reduced which results in a reduction of power dissipation and chip area. The related circuits are simulated with HSPICE using 0.25mm technology. The simulation results confirm what we have darned.

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APA: Copy

. (2006). DESIGN OF 4-2 COMPRESSOR WITH 2'S COMPLEMENT CAPABILITY. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, 4(1 (A)), 33-40. SID. https://sid.ir/paper/70712/en

Vancouver: Copy

. DESIGN OF 4-2 COMPRESSOR WITH 2'S COMPLEMENT CAPABILITY. THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING[Internet]. 2006;4(1 (A)):33-40. Available from: https://sid.ir/paper/70712/en

IEEE: Copy

, “DESIGN OF 4-2 COMPRESSOR WITH 2'S COMPLEMENT CAPABILITY,” THE CSI JOURNAL ON COMPUTER SCIENCE AND ENGINEERING, vol. 4, no. 1 (A), pp. 33–40, 2006, [Online]. Available: https://sid.ir/paper/70712/en

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