阈算术代数系统及多值电流型CMOS电路设计  

Threshold-arithmetic Algebraic System and Design of Multiple-valued CMOS Circuits

作　　者：姚茂群[1] 张官志[1] 施锦河[2] 

机构地区：[1]杭州师范大学信息科学与工程学院,杭州310018 [2]浙江大学信息与电子工程学系,杭州310027

出　　处：《电子与信息学报》2012年第7期1773-1778,共6页Journal of Electronics & Information Technology

基　　金：国家自然科学基金(61071062)资助课题

摘　　要：该文根据电流信号易于实现算术运算的特点,定义了阈算术运算及非负运算,建立了一个适合于电流型电路设计的阈算术代数系统,并在阈算术代数系统中定义和图为阈算术函数的图形表示。在此基础上,通过三值电流型CMOS电路的设计实例,阐述了运用和图将逻辑函数转化为阈算术函数的电流型CMOS电路设计方法。采用TSMC 0.18μm CMOS工艺参数的HSPICE模拟结果表明,所设计的电路具有正确的逻辑功能。阈算术代数系统的提出及和图的运用为电流型电路设计提供了一种新的简单有效的方法。Based on the characteristics of current-mode circuits, which can easily realize arithmetic operations, the threshold-arithmetic operation and the nonnegative operation are defined in this paper, and the threshold-arithmetic algebraic system suitable to design current-mode circuits is established. Then, HE map is defined and used as the graphic representation of threshold-arithmetic functions, and the method of converting traditional logic function to threshold-arithmetic function with HE map is expounded. Finally, the design method of current-mode CMOS circuits based on threshold-arithmetic algebraic system and HE map is proposed. The HSPICE simulation results using TSMC 0.18 μm technology show that the designed current-mode CMOS circuits have the correct logic functions. The threshold-arithmetic algebraic system is a new simple and effective method for designing the current-mode circuits.

关 键 词：电流型CMOS电路 阈算术代数系统 阈算术函数 和图 多值逻辑 

分 类 号：TN433[电子电信—微电子学与固体电子学] TN79