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arXiv 1402.2648cs.ETcond-mat.mes-hall
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超低能自旋忆阻阈值逻辑的设计与综合

Design and Synthesis of Ultra Low Energy Spin-Memristor Threshold Logic

Deliang Fan, Mrigank Sharad, Kaushik Roy

摘要:

阈值逻辑门(TLG)执行多个输入的加权和,并将和与阈值进行比较。我们提出了自旋记忆阈值逻辑(SMTL)门,它采用忆阻交叉阵列(MCA)执行二进制输入的电流模式求和,而低电压快速开关自旋电子阈值器件(STD)以节能的方式进行阈值操作。现场可编程SMTL门阵列可以在~ 50 mV的小端电压下工作,从而实现门和可编程互连网络的超低功耗。我们使用阈值逻辑综合评估SMTL的性能。常见的基准测试结果表明,基于SMTL的可编程逻辑硬件可以比最先进的CMOS FPGA节能100倍以上。

英文摘要:

A threshold logic gate (TLG) performs weighted sum of multiple inputs and compares the sum with a threshold. We propose Spin-Memeristor Threshold Logic (SMTL) gates, which employ memristive cross-bar array (MCA) to perform current-mode summation of binary inputs, whereas, the low-voltage fast-switching spintronic threshold devices (STD) carry out the threshold operation in an energy efficient manner. Field programmable SMTL gate arrays can operate at a small terminal voltage of ~50mV, resulting in ultra-low power consumption in gates as well as programmable interconnect networks. We evaluate the performance of SMTL using threshold logic synthesis. Results for common benchmarks show that SMTL based programmable logic hardware can be more than 100x energy efficient than state of the art CMOS FPGA.

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