超大规模集成电路与系统导论

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2、血涮la帼航ttan加晰18肛轴血哋卯就就阿酣ar毗|6掘汕0側驚3城邮？|a）妝:2-0.7=1.3V如=lVsothetransistorisnon-saiurateiHiecratistr卡ia # lieresistanceis二254JQLBOM-OJ)WStartrt仙IW他恤诞獭饥aH個伽1soFortheiweapaetaewehaveazero-biasvalueof陰讯86)跚伽删酬5际4,442fFwherewhavecombinedthebottomandsidewallcontributeHietotalcapacitanceatthedrainorsourceisC

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5、minhnMpbhplpflfnlripntffhpminhnMpbhplpflfnlripntffhpminhnMp(t)Domino(fei卿蒯血加$血眦 # bhplpflfnlripntffhpminhnMp #bhplpflfnlripntffhpminhnMp112.41bhplpflfnlripntffhpminhnMp|12.5|Hiemirrortailsareconstructedasshowninthefigure.assumetatthepropagatevoltagerepresentpfhasanidealvalue叫:血”anitatC|=0ihperfectjr

6、oMTo腑以thecircuitweusetteps翅（hiWSratioequationforareasonablevalue；%码皆加FBmeanssotte血tw毗$ize也呱血gto叫广綁叫Thevalues训fajediftheinputconditaaredifferent,butthepracetaisthe55atanypointrnthpOadg=LtteL二0throughthenFETs,anithisprontoaconnecttoground.128|Usingeqoata(I137|wehaveMtAveragecanychainlength=lo硼=崛阶=6bit

7、s128-bit:AveragecanychainI晒=lo皿28)=lo册昇漩129Hieblockdiagramisshow.Each4-bitgroupprotaesacan)T-oiitbitthatisusedtoseh恤nextSitgroupbhplpflfnlripntffhpminhnMp.taatesincHebit-levelortactionlevelteriptions,Hieinputlatchcanbeadded毗hadockingsignal.TherearealargenumberofmultipliertacriptathatcanbeconsimcWani

8、teinterestedreaderisfccteitotheliterature.12.111An8x8multiplierwouldhavethesamebasictafbutooteasilybe恥statedusingtheWasaprimitive.Uisistatofefactthatthe8x8wouldrequirethattheHAandFAtatasaltereddependingupontobitlocationsinthearray,liebasiccellsHAiorUMcouldbeused,fcthatfte8x8Milexhibita加w121牝血KWHtfem

9、M卿etaWby血训1HOO0H1OR-l.-L+L-lMllOllOlisparseiasOHlOinOOlOtogive+Vlrljl|c)01010010isparsedas010MO001181toJiveU.+l+L-lW-Tcellinputbit,bhar.wrfte;聊b训加；13.2UieVerilojstatementsarequitesimple.测:酗测:姗；叩0$伽训:删；叩:冊删；bhplpflfnlripntffhpminhnMpbhplpflfnlripntffhpminhnMpIB.3)Yes.Thisisbecausethecomptaeninputwil)

10、aidtiecellinswtichingstates.UlisteigjisactuallyusedinmanycommericialSRANstocoraelayoutarea帥miconnectloiihere枷MnrrfgILbhplpflfnlripntffhpminhnMpbhplpflfnlripntffhpminhnMpProblem1115*riQfil时Thnmovimnn血thotnonhoctnror?Annofitnricvjl*JA4iVUWM4AAWM4刪1村*VWi%伺L5)醐Inotherwords,theRvalueistoohigh(thecellKill

11、notworlj!Thisproblemwas“induiedto晰俪difficultitistoactuallystoreavoltageinaDRAMcelItusuallymazestheomehowmuchchargesharingtopsthevoltage.Supposeinsteadthatwedroptherepementtoamorereasonablevalueofsay=0(2V.Inthiscase,wewuldtoewhichispossibkUsingthisvalue,睨estimateSieholdtimeusingCs45胪*却忙迥却醐啦辎?wirbhplp

12、flfnlripntffhpminhnMpIMIfelogc範加$血航炯IUIUIUbhplpflfnlripntffhpminhnMp呱10lieOR-fflarrayisshowbeta.bhplpflfnlripntffhpminhnMpTheNOtadlogicproviteabasisforaMSimptaeiitata.bhplpflfnlripntffhpminhnMp13J3|ThecircuitdiagramisconstructedbyusingtheFETlocationsasshorabeta.Chanter14111PeparMphHowlaesr泌删删斜他）CZ加i

13、to|粘l.hlJ4orwecanchangeunitstonilXus*R腕:)阪=6-868Mm=Zthe就恤aimnj痂shavevaluesofwhichgivestheladdershorn.哪Q(M0.98fi0*98恥0.98QB98QMemlUThatimfi耐丽rif応VV1AVMU1WJWForM3JM：2M4(2=U6|imand14=册57pF/cmIW%N76*,68前,3伽鹹冲卿1巾弊.常=0,511pF/cmThisshowsthedecreaseincapataeperunitlengthasmetalinterconnecttesareiiAiiTriAnuprionmmp心iwnprimnkncinrr # bhplpflfnlripntffhpminhnMpForm=6,*vT=俺川9fF00sothatSincetheMayhasdtatia!origins,thisismoreaccuratetathem=2cast此6仙ThelM现讪啣i$DAMN叫u.uuo“!hlTh血APiiiniirtrf单imnnrunit怙单irf+bbCc二631x