International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


Downloads: 114 | Views: 210

Case Studies | Electronics & Communication Engineering | India | Volume 4 Issue 2, February 2015 | Rating: 6.1 / 10


Low Power Variable Latency Multiplier With AH Logic

Roobitha Nujum | Jini Cheriyan [3]


Abstract: Low power design has been an important part in VLSI system design. Digital multipliers are most critical functional units of digital filters. The overall performance of digital filters depends on the throughput of multiplier design. Aging problem of transistors has a significant effect on performance of these systems and in long term, the system may fail due to delay problems. Aging effect can be reduced by using over-design approaches, but these approaches leads to area, power inefficiency. Moreover, timing violations occur when fixed latency designs are used. Hence to reduce timing violations and to ensure reliable operation under aging effect, low power variable latency multiplier with adaptive hold logic is used. This multiplier design can be applied to digital filter so as to enhance its performance. The VHDL language is used for coding, synthesis was done by using Xilinx ISE and simulated by using Model-Sim.


Keywords: Adaptive Hold Logic AHL, Bypassing Technique, Negative -Bias Temperature Instability NBTI, Variable latency, FIR Filter Design


Edition: Volume 4 Issue 2, February 2015,


Pages: 1779 - 1783


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