数电课程设计指导书1

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1、数字钟TTL芯片CMOS芯片1.555定时器1片2•十进制计数器74LS909片3•显示译码器74LS247(248)6片4.数码管6个5.两输入与非门74LS004片6.四输入与非门74LS202片7.电阻电容双十进制计数CD45185片显示译码器CD45116片两输入与非门CD40114片四输入与非门CD40122片抢答器TTL芯片CMOS芯片1.555定时器2片编码器CD40147(EWB屮无此型号)2.编码器74LS1481片3.锁存器74LS2791片4.十进制加减计数器74LS1922片双十进制计数CD45185.显示译码器74LS247(248)3片6.两输

2、入与非门74LS003片7.数码管3个8.单稳触发器74LS1232片显示译码器CD45113片CD4011两输入与非门3片双单稳触发器CD45381片9.电阻电容三极管蜂鸣器数字频率计TTL芯片CMOS芯片1.555定时器1片2.

3、•进制加计数器74LS904片I•进制加减计数器CD45102片3.8D锁存器74LS2732片4.显示译码器74LS247(248)4片，显示译码器CD45114片5.数码管4个6.单稳触发器74LS1232片双单稳触发器CD45381片2.电阻电容TRUTHTABLEITO^CD451SBCLOCKenableRCSCTACTIONJ

4、IncrwnentCounter00IncrementCounterX0NoChangeX'/0NoChanye/00NoChaogt10NoCMngtXX1Q1thruQ4-0X■DwiCf1=X*StawLowSuesYMy%wTFXX0MXXX1t11111BX01XXXX0000000•IE0110000111I110001100010110000101100・01101101a0110QV111f100101•01000110011H011•f011011011501101t00011vIIb0>101111110000701110001111111B011to

5、ol1110011g01110100000000081011110000000000I>^011t>010111110oooooe••1111•f.111XXXX>■TWUTWTAM.EK■WQOrwCD4511B•8BCDoodepiewie^Y**who^LE-0CLOC

6、utsOutputsCte^rABQQLXXLHXHXLHXXLLHHLX-n.n_rHtH-TU"LTCD4538—?CxRlI—恤74LS00四2输入与非门^.r4B4A4F3B3A3Y丄Dr>—^■0[0「H9—tiT2ABIF2A2527地74LS20二4输入与非门%2D2CN2B2A9.Y74LS90二-五-十进制异步计数器74LS48BCD-七段译码器1u201vcc1Q[219)8Q1D[318)8D2D[417)7D2Q[516)7Q3Q[615]6Q3D[714)6D4D813]5D4Q912:5QGND[1011)CLKINPUTSOUTPUT

7、QCLEARCLOCKDLXXLHtHHHtLLHLXQoFUNCTIONTABLE(eachflip-flop)74LS273八D型锁存器74LS192十进制同步加/减计数器（双时钟）$ACRQ.T5CDfjzt:Baa9DM段+?•Q”■■・■■1L-i・.■■■・』1112n754CP・CP+0.Qugnd1U121314151611B19z74LS148123f67——B」□匸匚匚匚UOLfAs-fl-anrtD17JU127pN-cccGcLJLJ匚匚匚匸厂匚1RS1S222R2S2QND11G1u1621531441351261171089nnnnnnmnSN

8、54LS279AOUTPUTSEl0■234S67A2AlAOG$COHXXXXXXXXMHHHHLHMMMHMHHHHHHLLXXXXXXXLILLIHLXXXXXXLHLL11LMI•・XXKXLHMLMLLHLXXXXLHHHLHHCHLXMXINXMMM4.LLHLXXLHHMHHh1MHLXLHHHHHHXHLIKLLMHHHHHHMMM148/LS148FUNCTIONTABLELC123nHUUDDJn口elSI*I312IHOI21INPUTSOUTPUTSCL£ARaeu