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从实际工程需要出发,考虑非线性的特点,提出工程绝热计算原理,代替线性绝热计算原理。为克服交叉耦合绝热电路双相输入的缺点,提出有取样输入门控电路的绝热静态主从触发器,输入可单相。在此基础上,提出绝热同步时序电路综合方法。用此法设计出绝热8421BCD计数器,总功耗小于三个绝热ADL非门的功耗,可提高速度,计算机模拟验证了方法的正确性。
Starting from the actual engineering needs, considering the characteristics of non-linearity, proposed calculation principle of thermal insulation engineering, instead of linear thermal insulation calculation principle. In order to overcome the shortcomings of biphase input of cross-coupled adiabatic circuit, an adiabatic static master-slave flip-flop with sampling input gating circuit is proposed. The input can be single-phase. On this basis, an adiabatic synchronous circuit synthesis method is proposed. Adopting this method to design adiabatic 8421BCD counter, the total power consumption is less than the power consumption of three adiabatic ADL-NOT gates, which can increase the speed. The computer simulation verifies the correctness of the method.