21、逻辑方面数字电路的卡诺图化简，时序(同步异步差异)，触发器有几种(区别，优

点)，全加器等等。(未知)

22、卡诺图写出逻辑表达使。(威盛VIA 2003.11.06 上海笔试试题)

23、化简F(A,B,C,D)= m(1,3,4,5,10,11,12,13,14,15)的和。(威盛)

24、please show the CMOS inverter schmatic,layout and its cross sectionwith P-

well process.Plot its transfer curve (Vout-Vin) And also explain the

operation region of PMOS and NMOS for each segment of the transfer curve? (威

盛笔试题circuit design-beijing-03.11.09)

25、To design a CMOS invertor with balance rise and fall time,please define

the ration of channel width of PMOS and NMOS and explain?

26、为什么一个标准的倒相器中P管的宽长比要比N管的宽长比大?(仕兰微电子)

27、用mos管搭出一个二输入与非门。(扬智电子笔试)

28、please draw the transistor level schematic of a cmos 2 input AND gate and

explain which input has faster response for output rising edge.(less delay

time)。(威盛笔试题circuit design-beijing-03.11.09)

29、画出NOT,NAND,NOR的符号，真值表，还有transistor level的电路。(Infineon笔

试)

30、画出CMOS的图，画出tow-to-one mux gate。(威盛VIA 2003.11.06 上海笔试试题)