IO standard based energy efficient ALU design and implementation on 28nm FPGA

B. Pandey, J. Yadav, M. Pattanaik
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引用次数: 12

Abstract

In this work, target design is ALU. To achieve reduction in IOs power we are searching the most energy efficient LVCMOS(Low Voltage Complementary Metal Oxide Semiconductor) IO standard, whose power consumption is less in compare to other IO standard. There is 85.18% power reduction when we migrate from LVCMOS33 based ALU design to LVCMOS12 based ALU design. There is 41.45% power reduction when we migrate from LVCMOS33 based ALU design to LVCMOS25 based ALU design. Target FPGA family is 28nm Artix-7. Verilog is hardware description language used for design of ALU. There is 7.16% reduction in power for only LVCMOS15, when we change drive strength from 16 milliAmpere to 8 milli-Ampere. There is 5.44% reduction in power for LVCMOS18 when we change drive strength from 24 milliAmpere to 8 milli-Ampere. LVCMOS33 is the highest power consumer and LVCMOS12 is the lowest power consumer among the different available LVCMOS IO standard when there is common drive strength applied.
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基于IO标准的节能ALU在28nm FPGA上的设计与实现
在本工作中,目标设计为ALU。为了降低IOs功耗,我们正在寻找最节能的LVCMOS(低电压互补金属氧化物半导体)IO标准,其功耗比其他IO标准更低。当我们从基于LVCMOS33的ALU设计迁移到基于LVCMOS12的ALU设计时,功耗降低了85.18%。当我们从基于LVCMOS33的ALU设计迁移到基于LVCMOS25的ALU设计时,功耗降低41.45%。目标FPGA系列为28nm Artix-7。Verilog是用于ALU设计的硬件描述语言。当我们将驱动强度从16毫安改变为8毫安时,仅LVCMOS15的功率降低了7.16%。当我们将驱动强度从24毫安改变为8毫安时,LVCMOS18的功率降低了5.44%。在不同的可用LVCMOS IO标准中,LVCMOS33是最高功耗,LVCMOS12是最低功耗,当有共同的驱动强度应用。
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