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ȸǶʽ̌W(xu)IJ

2049 x2014-4-11 15:56 | Ƕʽ, , _(ki)l(f)

S(zh)ǶʽEDAӼg(sh)wٰl(f)չ͑I(lng)UHH30ǰδ^(gu)ĴW(xu)ƼFڸߵȽnODSPg(sh)SoCOӋEDAg(sh)ӋCYcOӋW(wng)j(lu )g(sh)ͨǶʽϵy@S౻О鮔ĺĿƼW(xu)ƺͿƌW(xu)g(sh)I(lng)(zh)δ(li)Ӽg(sh)ͿƼİl(f)չ@ٵӼg(sh)vʷ׃҂Ŀ(jng)TTL5V늉~˵1Vо늉(jng)ĔMHzCPUl10GHzT(mn)һȿֹOӋg(sh)H(g)߉݋T(mn)74ϵMϳɡϵyĕr(sh)Ó̥EDAg(sh)(sh)Fĺǧf(wn)T(mn)ġƬϵyr(sh)@һ@һI(lng)Č(zhun)I(y)AnӼg(sh)ĵλҪƵǰδеĸ߶ͬr(sh)Ҳ@һn̵Ľ̌W(xu)˼J

ȻzĿǰȸУĔӼg(sh)AnĽ^󲿷ֽ̲ăݺͽ̌W(xu)ģʽȻͣ20o70ĩ@һFӰˑеĽ̌W(xu)|(zh);͘I(y)

һĿǰn̽̌W(xu)̌W(xu)ģʽͽ̌W(xu)ĿڵĻ(wn)}

1^(gu)ƫءՓ̌W(xu)ҕ(sh)`B

Ҳ䡰ՓAǷmںmn̵ČW(xu)HW(xu)ģʽ͌W(xu)r(sh)žڴn̵Ļ|(zh)g(sh)A{W(xu)Уn̵ČW(xu)r(sh)64W(xu)r(sh)n16W(xu)r(sh)(sh)CԌ(sh)@Ȼ(sh)`Ҫ󱻇Ҍn̻˻ه(li)}g(sh)ͨAnTԇ}}˜ʴ“(lin)Уyⲻ֪@һǡǡ](mi)@T(mn)鮔ӿƼI(lng)׃߻N(sh)`脓(chung )ČW(xu)Ƶr|(zh)ƫx˴nĽ̌W(xu)Ŀ˺ͽ̌W(xu)Ҫ؄eĨ˴n鄓(chung )R@һҪĿ˵Č(sh)FY˴ֻL(chng)}ηք(dng)֌(sh)`ČW(xu)Ӱ˺mn̵ČW(xu)(sh)(chung )¾BŒ(sh)һT(mn)g(sh)ɱnSҪmn̵ĻAnͬr(sh)푪ɞB،(sh)`̽eO(chung )µȃ(yu)|(zh)ĆɌW(xu)ơFcӋCI(lng)Гش(jng)r(ji)ֵ(chung )Ŀa(chn)ڔӼg(sh)I(lng)@ȻӼg(sh)Ľ̌W(xu)ԓǺoͼl(f)(chung )¾Դ^@(g)I(lng)Ҫʲô}Ҳh](mi)И˜ʴᳫ(g)Ąm׃Ќ(sh)`

2fĽ̌W(xu)

Щo(w)cFּg(sh)܉f̌W(xu)ҪyM·͕r(sh)·ķcOӋļֹg(sh)ʮ겻׃؇@@һn̵ĺĽ̌W(xu)ݣͬһݲ׃a(chn)ڲ౻µ^(gu)r(sh)ʳƷ@Щƺc̲ĵIJٰ͸Ÿo(w)P(gun)̲ďIJֱ@Щ݌(sh)HmڵСҎģ·OӋġֹּg(sh)Ҳ](mi)κ̹ꐌҪڽoW(xu)IJ^(gu)Qo6070ȫ̭80făStanfordW(xu)J.F.Wakerly䡶OӋԭc(sh)`һ(sh)f(shu)ΎW(xu)ȥmɱҪR׃@y@(g)I(lng)һ̿ƕ(sh)Ħɶsmڡ

@o(w)ɕ(hu )xЮa(chn)S`(hu )`^(gu)r(sh)ֹg(sh)OӋ̮ɬFּg(sh)A֪Rȥ߉݋(jin)`ϵy(yu)Ŀȥ׷߉݋ֹ`JǬFϵyĕr(sh)(hu )@Щ̲ЃHmڵСҎģlµĔ֪Rһ㔵ּg(sh)`õٴҎģ߉݋OӋ

ڌIEEE/ANSI1984ƶܿڇH̭߉݋Dη̖˜һֱ҇̿ƕ(sh)顰Ҙ˜ʡtһC䌍(sh)@N^(gu)r(sh)^˷̖o80ڵĔּg(sh)I(y)ANSI/IEEE1991˜ʣDistinctive shape SymbolsYʹɬFڵĔ·ňW(xu)ČW(xu)òŒW(xu)ϤANSI/IEEE1991˜ʵ߉݋̖挦(sh)õӹ̼g(sh)

3Óx̌(sh)H

̲г(zh)ƫx̌(sh)HĂ}͂μg(sh)TTL 74LSϵԭɺo(w)(wn)}cCMOS໥ӿ3.3V I/OƽҲܿɿؽӿTTLCMOSȻ̲Пo(w)]ʹTҪO·Dz댣(zhun)(dng)(40109)ȶN^ӿڼg(sh)(li)Q@Щo(w)Óx(sh)Hġƽƥ䡱}߽BҪ3(g)CMOS(dng)ʮ(g)TTL֮(li)Ŀ䏈g(sh)猦ë}_ĽQԭԓxr(sh)·Ȼ(sh)Ѕs_SÓx(sh)He`ķ׃߉݋Yġ༼g(sh)˿ڽݵĞVg(sh)μؽBֻҪ@Ìķ߉݋ͨ^(gu)ͨ߉݋ÔָM(jn)ƵӋsIJἰӑՓԴ(li)OӋ߉݋ϵyⲿضȻ늴ŭh(hun)ذl(f)׃r(sh)߉݋̖Ƿ(hu )Fë}_Ķǰ(dng)Ô74LS161ՓϵʮM(jn)ӋOӋܿⲿض׃ɰM(jn)Ӌ

4֪RwϵĽYȱ

y̲֪RwϵĽYȱҪF3(g)棺

֪Rwϵ߂Դ˼˵ĿƏVԺһo(w)߉݋·ķõ(sh)HFֻr(sh)oOӋr(sh)·Ľ(jng)5E䌍(sh)ֻmں(jin)·ģ7ӋȣOӋo(w)ƏV(sh)õTģ70ģ700ģ7000ȶ׃ͬ(li)ӋOӋĶsˌW(xu)Ą(chung )

H_֦֪R](mi)Ќ@Щ֪RһՓ͌(sh)`_˸Nr(sh)·ģK(li)ӋoTB(ti)׃B(ti)DB(ti)ҪsʼK](mi)~ϡһͬr(sh)·ǠB(ti)CʽP(gun)I_AµĺW(xu)߳˃HɻڹP^ġ(sh)挍(sh)`o(w)ǰһ

䌍(sh)@ŇW(xu)`˵ĻJRҎ(li)ȻJRҎɾǏ⵽һُһص^(gu)ˌȻ܄(dng)ÄtwFںһǍW(xu)ֻ_и(li)Ӌ(li)ͺOӋsW(xu)JR߸һČӴB(ti)COӋcãS֪ͬ(li)̲ĶBB(ti)COӋo(w)᱾ĩ֮e

ȱǰһM̲ܽĶ˴惦ģģȌ(sh)ĽBHHڌĽYԭĽBsBČ(sh)÷](mi)P(gun)Č(sh)򞰲ȫ`˼g(sh)A(li)̲ĵĻҪһںİŵČ(sh)ĿADC0809푪ǰĽoP(gun)߉݋·ķcOӋ֪Roxչʾʹ@Щļg(sh)Cϑ÷@ǹԡg(sh)A̲ĵķփ؟ȻzA/DD/AROMRAM@Щڔּg(sh)ИOҪă݅sHͣڽYԭĽBcɃxB(ti)ʹñ(li)ƽ顰g(sh)Ŀ˵Ľ̿ƕ(sh)Sf(shu)(sh)ԭֻһ(g)©ˠB(ti)COӋ͑õȺ֪RĽB䌍(sh)һЩʹEDA֪RӲZ(y)ԣHDLͬ(li)̲Ҳͬ(wn)}

5g(sh)

fg(sh)Ҫo(w)mFּg(sh)ĵСҎģ·°ę̲@ӵ֣ڔϵyҪõһЩ}_̖Įa(chn)׃Q·ηB(ti)·ҲǔϵyгõһN}_·Œ(sh)ʹFСҎģĔϵyOӋҲ(hu )κ}_̖׃QTηB(ti)(li)漰Ԫ·@Fϵyͨlʶ_ʮMHz漰ԪģM·}_׃QηB(ti)·lͨo(w)^(gu)kHzһ(g)˵lʵ·ôܳFڔϵy@Ȼǵⲻ֪FϵycģM·ǃɂ(g)xоΪOӋ֮g“(lin)ϵֻA/DD/Ao(w)ּg(sh)̌W(xu)ļg(sh)ĸͼg(sh)`@

6̌W(xu)Ŀ˶λ^(gu)

L(chng)m(li)ĵСҎģ·̌W(xu)µĽ̌W(xu)Ŀ˶λDZȻ̌W(xu)r˝M(mn)ڼP^ĕ(sh)濼(dng)Ӗͣڎʮһ؞ƵĻ74ϵgaӋͽ֮ͨ(li)͌Ӵκ(jin)OӋ@ݱʹW(xu)ԘO͵c(din)^(gu)խҕҰȥ挦Ҫĺmn̵ČW(xu)

ڴI(lng)Ľ̌W(xu)ĸߵijɾgIJǾ޴вԺУУ֌(zhun)I(y)·ڵһڶW(xu)(sh)`Ӗăݰ^(gu)f(wn)ʮf(wn)߉݋T(mn)ҎģĔϵyOӋӖČW(xu)ڸ(li)OӋِЫ@˺óɿ(j)StanfordW(xu)·nDigital System(1)ҲڱƵ2W(xu)AW(xu)ϵһW(xu)֫@һKAltera FPGA(sh)_(ki)l(f)ԓУӋC(zhun)I(y)ƶ꼉W(xu)OӋNO߄(chung )ɫĔϵyVGAD@ʾw•OӋȔΑĿMichiganW(xu)һ꼉W(xu)OӋFPGAVGA@ʾ往(xin)VPS/2IP(pn)I|ϴW(xu)һʡ·nOӋِһMͬW(xu)ָyReiOӋ@һȪ

7n̰ŵĕr(sh)g̫

Ŀǰn̽^rԱڱƵ45W(xu)@30ǰ](mi)ʲôǕr(sh)ּg(sh)𲽲߀](mi)ʲôҎģĔ֮a(chn)Ʒcּg(sh)P(gun)nҲdzǕr(sh)Ĕ·nmn̻͘I(y)Ӱ΢Ǖr(sh)Ĕּg(sh)̎ڵСҎģֹg(sh)A@ʹÔ·cģM·ͬr(sh)Fͬһ·YĶҪW(xu)^P(gun)ע}_̖Įa(chn)c̎ϣǬFּg(sh)׷Ĺ܌(sh)Fϵy(yu)ϣ@Ҫx߾߂ĔW(xu)֪R댧w֪RģMӾ(xin)·ĻA֪Rʹôn̸o(w)ǰ

ڽS(zh)ڔּg(sh)AĴP(gun)n̵ıըʽӿFԓnѳɞSҪmṉزٵĻAnȻ45W(xu)^(gu)n̰Ō^(gu)̵ĕr(sh)gͨ1꣩ʹW(xu)yԑĺmn̵ļĕr(sh)gͨ^(gu)ЧČ(sh)`(li)W(xu)ЧȻۿ@Щnֶcδ(li)ľ͘I(y)ܵP(gun)ϵ(sh)H@NB(ti)׃P(gun)IǑJRǔּg(sh)ϵyɵĕr(sh)ڔּg(sh)ČW(xu)ȫԕr(sh)ģMӼg(sh)Փr(sh)ȷһ߅ĶЗln̵Ľ̌W(xu)ǰׂ(g)W(xu)M(jn)

 

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