逻辑电路

By using VDMOS field-effect transistorsas the switch elements, the electronic controlling circuits of the PM brushless DC motor, including the main power switch circuit , power driving circuit, absorption circuit, and logic controlling circuit, are designed.

用 VDMOS场效应晶体管作为开关元件，设计了稀土永磁无刷直流电机的电子控制线路，主要包括：功率开关主回路，功率驱动回路，吸收回路，逻辑控制电路。

Based on the simulation results,the state of the evaluation node is also discussed to reduce the total leakage currents of dual Vt dominos.

基于模拟结果，也分析了双阈值多米诺电路中求值点的不同逻辑状态对总的漏电流的影响。

For low frequency and logic measurement, any ground connection from scope ground to circuit ground is OK, the probe ground may be left open.

对于低频和逻辑测量﹐如有任何从示波器的地到电路地的连接﹐探头的地就可以不接。

This paper introduces the design and imp lementation of an asynchronous-communications system which emp loys TL16C554A as its core hardware, including the selection of the asynchronous-communications elements, the circuitry design, the temporal logic and software realization.

根据微型无人机飞控计算机与外围多个设备进行通信的需要，介绍了由 TL16C554A 芯片组成的多路异步串行通信系统的设计与实现，包括扩展异步串行接口的方案选择、硬件电路设计、时序逻辑实现及软件实现。

In high-speed digital system, in order to synchronize the logic gates, use of delay line in board level interconnection is usually required. A popular delay line design is the meander delay line.

在高速数位电路系统中，为使逻辑闸切换能够同步，在做电路板上元件的连接时常须加入延迟线，而最常用的就是蜿蜒型延迟线。

In this paper, the SPIC mentioned here is used to the electronic ballast.Firstly, the research and development on SPICs are reviewed briefly, form which we get the aim of this design: the power integrated circuit comprises not only power devices, but also logic controlled devices.

本文首先简述了智能功率集成电路的研究和发展，从中可以得出本课题的目的：功率集成电路中将功率器件与低压逻辑控制电路集成在一个芯片上，其重要性和价值是非常重大的。

Beacouse circuitry net list which is synthesized by synthesizer may not achieve the demand of the designer, the sequence circuit which is synthesized must be optimized under require of speed. Retiming is one of the important techniques of optimizing sequence circuit.

但是由于综合器综合得到的电路网表不一定能达到设计者的设计要求，所以需针对给定的速度要求，对综合得到的时序电路进行速度优化，其中针对时序逻辑的重定时优化技术，便是一种重要的优化技术。

And a retiming scheme based on the above method is also presented to optimize the timing behavior of sequential circuits. Also from waveform polynomials of sequential circuits, a precise clocking method based on multiple-period sensitization is presented.

为了适应超深亚微米电路测试的要求，本文建立了一种新的基于布尔过程论的逻辑级噪声预测模型，用波形多项式描述的同时发生的跳变数来预测噪声大小，并生成能产生最大跳变数目的输入波形；然后同基于波形敏化的长敏化通路选择法相结合，形成一种能产生最大噪声效应的敏化测试波形生成新方法。

Equivalence Checking of Retimed Circuits: Sometimes it is helpful to move logic from one side of a register to another, and this complicates the checking problem.

等价性检验的Retimed电路：有时是有益的行动逻辑一方登记册到另一个，这复杂的检查问题。

Moreover, it is not necessary to change the circuit structure in order to realize multi-valued D flip-flop of different radixes. PSPICE simulation results verified the valid functionality and the significant low-power characteristic of the designed circuits.

最后，采用0.25μmCMOS工艺，利用PSPICE模拟验证了所设计的电路具有正确的逻辑功能，并与相同功能多值D触发器比较，多值双边沿D触发器具有明显的低功耗特性。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。