隨sui著zhe芯xin片pian的de集ji成cheng度du越yue來lai越yue高gao，內nei部bu晶jing體ti管guan數shu量liang越yue來lai越yue大da。芯xin片pian的de外wai部bu引yin腳jiao數shu量liang有you限xian
，為wei每mei一yi個ge晶jing體ti管guan提ti供gong單dan獨du的de供gong電dian引yin腳jiao是shi不bu現xian實shi的de。芯xin片pian的de外wai部bu電dian源yuan引yin腳jiao提ti供gong給gei內nei部bu晶jing體ti管guan一yi個ge公gong共gong的de供gong電dian節jie點dian，因yin此ci內nei部bu晶jing體ti管guan狀zhuang態tai的de轉zhuan換huan必bi然ran引yin起qi電dian源yuan噪zao聲sheng在zai芯xin片pian內nei部bu的de傳chuan遞di。

duineibugegejingtiguandecaozuotongchangyouneiheshizhonghuopianneiwaisheshizhongtongbu，danshiyouyuneibuyanshidechabie，gegejingtiguandezhuangtaizhuanhuanbukenengshiyangetongbude，dangmouxiejingtiguanyijingwanchenglezhuangtaizhuanhuan
，lingyixiejingtiguankenengrengchuyuzhuanhuanguochengzhong。xinpianneibuchuyugaodianpingdemendianluhuibadianyuanzaoshengchuandidaoqitamendianludeshurubufen。ruguojieshoudianyuanzaoshengdemendianlucishichuyudianpingzhuanhuandebudingtaiquyu
，namedianyuanzaoshengkenenghuibeifangda
，bingzaimendianludeshuchuduanchanshengjuxingmaichongganrao，jineryinqidianludeluojicuowu。xinpianwaibudianyuanyinjiaochudezaoshengtongguoneibumendianludechuanbo
，haikenenghuichufaneibujicunqichanshengzhuangtaizhuanhuan。

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。

由you於yu最zui終zhong產chan品pin工gong作zuo溫wen度du的de變bian化hua以yi及ji生sheng產chan過guo程cheng中zhong產chan生sheng的de不bu一yi致zhi性xing，如ru果guo是shi由you於yu電dian源yuan係xi統tong產chan生sheng的de問wen題ti，電dian路lu將jiang非fei常chang難nan調tiao試shi，因yin此ci最zui好hao在zai電dian路lu設she計ji之zhi初chu就jiu遵zun循xun某mou種zhong成cheng熟shu的de設she計ji規gui則ze

，使shi電dian源yuan係xi統tong更geng加jia穩wen健jian。