suizhexinpiandejichengduyuelaiyuegao，neibujingtiguanshuliangyuelaiyueda。xinpiandewaibuyinjiaoshuliangyouxian
，weimeiyigejingtiguantigongdandudegongdianyinjiaoshibuxianshide。xinpiandewaibudianyuanyinjiaotigonggeineibujingtiguanyigegonggongdegongdianjiedian，yincineibujingtiguanzhuangtaidezhuanhuanbiranyinqidianyuanzaoshengzaixinpianneibudechuandi。

對(dui)內(nei)部(bu)各(ge)個(ge)晶(jing)體(ti)管(guan)的(de)操(cao)作(zuo)通(tong)常(chang)由(you)內(nei)核(he)時(shi)鍾(zhong)或(huo)片(pian)內(nei)外(wai)設(she)時(shi)鍾(zhong)同(tong)步(bu)
，但(dan)是(shi)由(you)於(yu)內(nei)部(bu)延(yan)時(shi)的(de)差(cha)別(bie)，各(ge)個(ge)晶(jing)體(ti)管(guan)的(de)狀(zhuang)態(tai)轉(zhuan)換(huan)不(bu)可(ke)能(neng)是(shi)嚴(yan)格(ge)同(tong)步(bu)的(de)

，當(dang)某(mou)些(xie)晶(jing)體(ti)管(guan)已(yi)經(jing)完(wan)成(cheng)了(le)狀(zhuang)態(tai)轉(zhuan)換(huan)
，另(ling)一(yi)些(xie)晶(jing)體(ti)管(guan)可(ke)能(neng)仍(reng)處(chu)於(yu)轉(zhuan)換(huan)過(guo)程(cheng)中(zhong)。芯(xin)片(pian)內(nei)部(bu)處(chu)於(yu)高(gao)電(dian)平(ping)的(de)門(men)電(dian)路(lu)會(hui)把(ba)電(dian)源(yuan)噪(zao)聲(sheng)傳(chuan)遞(di)到(dao)其(qi)他(ta)門(men)電(dian)路(lu)的(de)輸(shu)入(ru)部(bu)分(fen)。如(ru)果(guo)接(jie)受(shou)電(dian)源(yuan)噪(zao)聲(sheng)的(de)門(men)電(dian)路(lu)此(ci)時(shi)處(chu)於(yu)電(dian)平(ping)轉(zhuan)換(huan)的(de)不(bu)定(ding)態(tai)區(qu)域(yu)
，那(na)麼(me)電(dian)源(yuan)噪(zao)聲(sheng)可(ke)能(neng)會(hui)被(bei)放(fang)大(da)，並(bing)在(zai)門(men)電(dian)路(lu)的(de)輸(shu)出(chu)端(duan)產(chan)生(sheng)矩(ju)形(xing)脈(mai)衝(chong)幹(gan)擾(rao)，進(jin)而(er)引(yin)起(qi)電(dian)路(lu)的(de)邏(luo)輯(ji)錯(cuo)誤(wu)。芯(xin)片(pian)外(wai)部(bu)電(dian)源(yuan)引(yin)腳(jiao)處(chu)的(de)噪(zao)聲(sheng)通(tong)過(guo)內(nei)部(bu)門(men)電(dian)路(lu)的(de)傳(chuan)播(bo)
，還(hai)可(ke)能(neng)會(hui)觸(chu)發(fa)內(nei)部(bu)寄(ji)存(cun)器(qi)產(chan)生(sheng)狀(zhuang)態(tai)轉(zhuan)換(huan)。

除了對芯片本身工作狀態產生影響外
，電源噪聲還會對其他部分產生影響。比如電源噪聲會影響晶振、PLL、DLL的抖動特性
，AD轉換電路的轉換精度等。

youyuzuizhongchanpingongzuowendudebianhuayijishengchanguochengzhongchanshengdebuyizhixing

，ruguoshiyouyudianyuanxitongchanshengdewenti，dianlujiangfeichangnantiaoshi，yincizuihaozaidianlushejizhichujiuzunxunmouzhongchengshudeshejiguize
，shidianyuanxitonggengjiawenjian。