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References in periodicals archive ?
(2001) Proposed soft DSP for reduction in energy dissipation, where the supply voltage is reduced beyond that limit by the critical path delay of a given DSP architecture.
Also the results for the average critical path delay (shown in Figure 14) follow a similar consistent pattern (as seen in Figure 12, for cluster size N = 10), staying within 1% of the results obtained for the conventional cluster size N = 10 architecture without any shared LUT pairs.
By using CLBs with shared LUTs (for cluster size N = 16, k = 7, p = 3, and d = 4), the configuration memory cells of logic blocks were reduced by ~56% which resulted in area savings of up to ~7%, with a negligible penalty on the critical path delay (<1%).
introduced a circuit optimization technique [15] which optimizes the average path delay to the POs, energy and critical path delay using an MCS (multi-level coordinate search).
dcrit, AX, [M.sub.d] and [M.sub.A] are the critical path delay, circuit area (=gate size) and constraint margins for the delay and circuit area, respectively.
As can be understood from the table 3, the proposed design based on 3:2 compressor uses less number of reversible gates, produces less number of garbage outputs and has less critical path delay when compared to the existing design [18] based on 4:2 compressor.
The proposed reversible 24x24 bit multiplier using 4:3 compressors requires more number of gates as well as increases the critical path delay. Thus, the proposed reversible fused 32-Point Radix-2 floating point FFT unit is realized using 3:2 compressors with less number of resources, operates at a comparatively greater speed and also dissipates less power when compared with the discrete implementation.
It consists of 10 Transistors and occupies less area than the conventional, 16T and 14T Transistors Full adder cells, using the power supply voltage of 3.3V, the critical path delay of the 10 Transistor full adder measures at 24.34ps while in conventional CMOS full adder it measures 31.3ps.
Adders have a smaller critical path delay than multipliers.
The proposed design 2 has 4 incorrect outputs out of 16 outputs thus yielding an error rate of 25%.The critical path delay of this approximate design is 2[DELTA], so it is 1[DELTA] less than the previous designs; moreover, a further reduction in the number of gates is accomplished.
This delay balance improvement is achieved without increasing the critical path delay compared to results obtained with routability-driven router.
The effort of this paper is on rapidity of the carry skip adder structure and the lessening in the critical path Delay. The projected system comprises the ripple carry adder structure through the AOI and OAI compound gates for skip logic.
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