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l(f)ڣ[2011-3-29]    [6375]ΡЇ(gu)늚Ј(chng)ُ(gu)W(wng)[EM39.com]{(bio)pԄ(dng)L}
      (do)x:ADD(zhun)QУ^Ҫָ(bio)ǹٶݔʧ{(dio)늉r(sh)a(chn)Ļس•@Щָ(bio)Ӱ푺Ƽs(g)ADD(zhun)Q
1
ADD(zhun)QУ^Ҫָ(bio)ǹٶȡݔʧ{(dio)늉r(sh)a(chn)Ļس•ȣ@Щָ(bio)Ӱ푺Ƽs(g)ADD(zhun)Qٱ^ٶ^죬һi(Latch)Y(ji)(gu)ʧ{(dio)ͻس•^󣬾8λWq(Flash)ˮ(Pipeline)͵ȸA/DD(zhun)Q߾ȱ^ɷֱС늉ٶ(du)^һö༉(j)Y(ji)(gu)^ߵľțQʧ{(dio)У(zhn)ıҪ@O(sh)Ӌ(j)ı^ݔ뷶2.5 Vٶ1 MSs12λαƽADD(zhun)Q˝MADD(zhun)Qָ(bio)tٸ߾ȵı^
2 ^O(sh)Ӌ(j)
ԓ^ݔ늉2.5 Vٶ1 MSs12λαƽADD(zhun)Q˱^ľّ(yng)_(d)12 LSB0.3 mV늉ٶȸ12 MHzҪ]һO(sh)Ӌ(j)ԕָ(bio)龫O.2 mVٶ20 MHzԓٸ߾ȵı^ͨö༉(j)Y(ji)(gu)(sh)F(xin)iٶȸߡСȃ(yu)c(din)ĻA(ch)3(j)ǰ÷ŴMɵA(y)Ŵ(j)߾ݔʧ{(dio)(ch)cݔʧ{(dio)(ch)漼g(sh)Y(ji)ϵkʧ{(dio)ӰùԴԴSY(ji)(gu)ǰ÷Ŵiĕr(sh)犿Ɓƻس•ӰÔ(sh)|l(f)·@øܵĔ(sh)ݔ̖(ho)ҪעDZ횜(zhn)_̎ñ^ĸ(g)Aʹօf(xi){(dio)໥֮gĸɔ__(d)(yu)
2.1 wY(ji)(gu)cʧ{(dio)У(zhn)g(sh)
D1^·ĿwY(ji)(gu)D3(j)ϵǰ÷Ŵi^ĽY(ji)(gu)ݿʧ{(dio)(ch)_P(gun)ڿƱ^
]i^ĕr(sh)犿Լ(g)·ď(f)λԓ^·֞2AΣʧ{(dio)У(zhn)AS1_S2]ϣʹA(y)ż(j)1ؓ(f)ݔBg늉Vcmͬr(sh)S3S6]@A(y)ż(j)1ݔʧ{(dio)늉ʹ惦(ch)C1C2A(y)ż(j)2A(y)ż(j)3ݔʧ{(dio)늉tքe惦(ch)C1 C2C3C4ȻDZ^AΣS1]S2S6_^_ʼ^VcmVinA(y)ż(j)13ʧ{(dio)늉^󲿷ִ惦(ch)C1C4 ϣʧ{(dio)늉໥ͬr(sh)3(j)ǰ÷ŴĴڣi^ʧ{(dio)늉ӰҲpС(yng)(sh)
O(sh)A(y)ż(j)13i^ʧ{(dio)늉քeVos1Vos2Vos3VosLA(y)ż(j)13քeA1A2A3_P(gun)S3S4 S5S6ע뵽ϵ늺ʧքeQ34Q56C1C4Ctʹʧ{(dio)У(zhn)g(sh)^Ěݔʧ{(dio)飺
ʽ(1)Ҫ_(d)0.2 mVķֱ߀(yng)(j)iʧ{(dio)늉_ǰ÷Ŵiʧ{(dio)늉ͨ(hu)^100 mV˿ɴ_500Ȼف]䆖}A(y)ż(j)1Ҫ0.2 mVС̖(ho)ݔѸٷŴA(y)ż(j)1ĎҪһ控eǰζҪСͬr(sh)A(y)ż(j)1ݔʧ{(dio)惦(ch)ʧ{(dio)У(zhn)g(sh)ҲҪA(y)ż(j)1ҪСԱŴݔʧ{(dio)C1C2Ͷ_(d)ʧ{(dio)Чͬr(sh)A(y)ż(j)23ݔʧ{(dio)惦(ch)ʧ{(dio)У(zhn)g(sh)ݔ̖(ho)Ҳ^˿ɲ^K_A(y)ż(j)1s5A(y)ż(j)23s10
2.2 ^һ(j)ĽY(ji)(gu)
ڵһ(j)ǰ÷Ŵ茢0.2 mVС̖(ho)ݔѸٷŴͬr(sh)ݔʧ{(dio)惦(ch)ʧ{(dio)У(zhn)g(sh)@Ҫиߎ͵c(din)ˣA(y)ż(j)1ԲöOBӳPMOSؓ(f)dIJ\(yn)ŽY(ji)(gu)ͬr(sh)](j)Ҳ(g)߾ģM늉^ݔO•Ҳ(du)^ľӰݔtùԴ(Cascode)ĽY(ji)(gu)@Ɍس•pСgm34/gm56@ڱ^һ˹̶λһݔ둪(yng)õrҪټһ(g)ԴSݔ(j)ȿ{(dio)(ji)(j)Ŵݔֱƽ_(d)ֵֿ𵽸xЧ•A(y)ż(j)1·D2ʾ(ӵԴSδ)
O(sh)·ȫ(du)QĽY(ji)(gu)t(g)·A1s飺
ԓֵһ㶼10]Ҫʧ{(dio)늉͵Ć}K_ȡֵs5ͬr(sh)ݔOut+cOut-֮g(f)λ_P(gun)ÿ(g)^ڵɏ(f)λ̖(ho)_P(gun)]A(y)ż(j)1(f)λӿ^ٶ
^(q)>> ӹ 2011-03-28 14:48:36ԴOFweekӹ̾W(wng)ҁfɾ(0)
2.3 ^ڶ(j)ĽY(ji)(gu)
A(y)ż(j)2cA(y)ż(j)3ͬ·Y(ji)(gu)ӷŴA(y)ż(j)1·A(ch)ϼ2(g)PMOSVM7VM8·C(j)spˎA(y)ż(j)2ݔ̖(ho)A(y)ż(j)3СO(sh)Ӌ(j)r(sh)Ҳm(dng)A(y)ż(j)2߱^ٶȡ·D3ʾ(ӵԴSδ)
ͬӼO(sh)·ȫ(du)Qģtͨ^a(b)·s飺
Ҫעǣt^ҲDzD3ʾ·Y(ji)(gu)ͬt^ʹˏ(qing)C(j)ߵą^(q)eڽPMOSVM7VM8(du)PMOSVM5VM6ĴСͬ(dng)PMOSVM7VM8PMOSVM5VM6r(sh)(g)·B(ti)֮·еԵؓ(f)(g)·ؓ(f)B(ti)·ڴ̖(ho)PMOSVM5VM8^d늉ͬ͌L(zhng)ȳVM5ČL(zhng)һҪVM7ČL(zhng)Ȳ܌(sh)F(xin)
2.4 i^c(sh)|l(f)·
i(sh)HϾ2(g)βB÷ęC(j)ݔ̖(ho)cr(sh)gָ(sh)P(gun)ϵ׃˿ɌݔС̖(ho)ѸٷŴ󵽔(sh)ֿR(sh)eƽͬr(sh)iе͹c(din)?yn)һΕr(sh)g(ni)Dz˕r(sh)·_P(gun)Д˟o(w)ĽȻ@ӵĹc(din)ʹir(sh)ݔB(ti)δm(x)һ(g)r(sh)˴Д(sh)ݔ_ԼoDAD(zhun)Qṩ_λ̖(ho)Ŵ摪(yng)m(dng)?sh)|l(f)·ԱŴg_ݔm(x)r(sh)gһ(g)ڵı^Y(ji)ˣO(sh)Ӌ(j)D4ʾ·
(dng)՞ƽr(sh)ݔ̖(ho)In+In-ciͨicԴB_P(gun)_i̎ڸБ(yng)ݔ̖(ho)Aͬr(sh)ڔ(sh)|l(f)·ƽ/ʹ_P(gun)VMN7VMN8(do)ͨӵ˕r(sh)ƽ//քeͨ^VMP4VMN4MɵķVMP6VMN6Mɵķքe_(d)2(g)cTݔ˲ֵÞƽ1ʹú(j)Ĕ(sh)RS|l(f)ʱ֠B(ti)m(x)ݔ׃
(dng)՞ƽr(sh)ݔ̖(ho)In+In-ci_icԴB_P(gun)ͨi̎ݔ̖(ho)Out+Out-cr(sh)gָ(sh)P(gun)ϵ׃ʹݔѸ_(d)Դ늉ƽֱӝM㔵(sh)ݔҪͬr(sh)ڔ(sh)|l(f)·ƽ/ʹ_P(gun)VMN7VMN8P(gun)࣬ƽ //eʹVMP4VMP6P(gun)VMN4VMN6(do)ͨˣ˕r(sh)2(g)cTݔ˱քeɞVMP3VMN3MɵķVMP5 VMN5MɵķݔˣȡֱֵɷݔOut+Out-Q.ʹú(j)Ĕ(sh)RS|l(f)(j)ݔ׃׃õ_ݔ
3 ^Ĺr(sh)c
]Ҫ޶Ƚi͔(sh)|l(f)·֌(du)ǰģM·֮a(chn)ĸɔ_Լʹ^ÿ(g)^ɺѸ?gu)?f)λʹÏ(f)λԓ^^η֞ʧ{(dio)У(zhn)ͱ^ɂ(g)A^Aɔ(sh)(g)^ڽMÿ(g)^_ʼr(sh)(ʧ{(dio)У(zhn)Y(ji)ĵһ(g)^)A(y)ż(j)13iڏ(f)λ̖(ho)rstM(jn)Џ(f)λÿ(g)^ڽY(ji)r(sh)ii̖(ho)iŴ̖(ho)
ʹHspiceM(jn)˲B(ti)(yn)C˽ͱ^ĺ͸ɔ_O(sh)i̖(ho)յЧ̖(ho)ռձȞ18Ҫ_(d)20 MHzٶti̖(ho)ڑ(yng)50 nsO(sh)Vcm=1.2 VVinÿ50 ns׃һ0 ns250 nsքe1.2 V1.200 2 V1.199 8 V2 V1.199 8 V050 nsg^̎ʧ{(dio)У(zhn)A֮ÿ(g)^ڞ50 ns
(dng)A(y)ż(j)13o(w)ݔʧ{(dio)20 mVݔʧ{(dio)r(sh)^ķY(ji)քeD5͈D6ʾi̖(ho)rst(f)λ̖(ho)Out^ݔVo3+Vo3-A(y)ż(j)3ݔ̖(ho)ɷY(ji)֪^VcmVinݔ£܉20 MHzݔ̖(ho)lœ(zhn)_ݔY(ji)ˣԓ^܉(zhn)_R(sh)e0.2 mVС̖(ho)Ҳ0.8 VĴ̖(ho)ݔ¾к܏(qing)֏(f)(dng)A(y)ż(j)1320 mVݔʧ{(dio)r(sh)ĈD5A(y)ż(j)3ݔ(hu)ڏ(f)λ̖(ho)a(chn)(dng)ʹǡ(dng)?sh)ʧ{(dio)У(zhn)g(sh)(dng)̖(ho)Ȼ܉?gu)?f)λ^Ȼ܉(zhn)_Чرe늉Ҳf20 mVݔʧ{(dio)]͛]С0.2 mVС̖(ho)ݔֵʧ{(dio)У(zhn)g(sh)ȡA(y)Ч
4 Y(ji)Z(y)
ڂy(tng)Ķ༉(j)Y(ji)(gu)ĻA(ch)(sh)F(xin)ٸ߾ģM늉^ͨ^^_(d)(xing)A(y)ָ(bio)20 mVݔʧ{(dio)¾_(d)0.2 mVٶ20 MHzļs1 mW

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