基于差分传输管预充电逻辑的功耗恒定性电路改进设计  

Improved Design of Constant Power Consumption Circuit Based on Differential Pass-transistor Precharge Logic

作　　者：姚茂群[1] 李聪辉 YAO Maoqun;LI Conghui(School of Information Science and Engineering,Hangzhou Normal University,Hangzhou 311121,China)

机构地区：[1]杭州师范大学信息科学与工程学院,杭州311121

出　　处：《电子与信息学报》2021年第7期1834-1840,共7页Journal of Electronics & Information Technology

基　　金：国家自然科学基金(61771179);浙江省自然科学基金(LY15F010011)。

摘　　要：通过分析差分传输管预充电逻辑(DP2L)的电路结构,发现该电路还无法达到完全的功耗恒定特性,仍然存在被功耗攻击的风险。针对该问题,该文对DP2L的电路结构进行改进,并用Hspice对改进前后的电路进行模拟仿真测试。实验表明:改进后的DP2L电路结构具有更好的功耗恒定特性,更能满足该逻辑电路的设计要求。By analyzing the circuit structure of Differential Pass-transistor Precharge Logic(DP2L),it is found that the circuit can not achieve the complete constant power consumption,and there is still a risk of being attacked by power attack.To solve this problem,the circuit structure of DP2L is improved by this paper,and the circuits before and after the improvement are simulated using Hspice.The experimental results show that the improved DP2L circuit structure has better characteristics of constant power consumption and can better meet the design requirements of the logic circuit.

关 键 词：功耗攻击 功耗恒定 双轨预充电逻辑 差分传输管预充电逻辑 

分 类 号：TN791[电子电信—电路与系统]