SDC cell-a novel CMOS/BiCMOS design methodology for mainframe arithmetic module generation

Takehisa Hayashi, T. Doi, M. Asai, K. Ishibashi, S. Shukuri, A. Watanabe, M. Suzuki
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Abstract

The shielded dynamic complex-gate (SDC) cell is a novel CMOS/BiCMOS cell-based design methodology for generating high-speed modules or macro-cells using precharged circuit technology. Since precharged circuits have inherent difficulties such as noise and clock distribution, cell-based design approaches using DA systems cannot be adopted. The SDC cell has been developed to solve this problem and requires as little design time as the poly-cell approach. The SDC cell has the following features: (1) noise-tolerant CMOS/BiCMOS precharged circuits; (2) a unique cell layout concept with a shielded structure; and (3) a clock distribution system design to minimize clock skew. Applications to a 32-bit ALU (arithmetic logic unit) and a mainframe execution unit (parallel adder) are also described
SDC单元是一种新的CMOS/BiCMOS设计方法,用于大型机算法模块的生成
屏蔽动态复合栅极(SDC)电池是一种基于CMOS/BiCMOS电池的新型设计方法,用于使用预充电电路技术生成高速模块或大型电池。由于预充电电路具有固有的困难,例如噪声和时钟分布,因此不能采用使用DA系统的基于单元的设计方法。SDC电池就是为了解决这个问题而开发的,它需要的设计时间和多电池方法一样少。SDC电池具有以下特点:(1)耐噪声CMOS/BiCMOS预充电电路;(2)独特的屏蔽结构单元格布局理念;(3)时钟分配系统设计,使时钟偏差最小化。还描述了对32位ALU(算术逻辑单元)和大型机执行单元(并行加法器)的应用程序
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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