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　　近日，集(ji)(ji)成電路設計(ji)領(ling)(ling)域全(quan)球最(zui)高級別學術(shu)(shu)(shu)會議(yi)ISSCC傳來(lai)特大喜訊，北京大學集(ji)(ji)成電路學院(yuan)黃如院(yuan)士-葉(xie)樂教授(shou)(沈林曉研究員)團隊(dui)榮(rong)獲(huo)ISSCC 2023年度唯(wei)一最(zui)佳論(lun)文獎(杰出技術(shu)(shu)(shu)論(lun)文獎)(Anantha P. Chandrakasan Award for Outstanding Distinguished-Technical Paper)，這既(ji)是集(ji)(ji)成電路設計(ji)領(ling)(ling)域國際年度唯(wei)一最(zui)高學術(shu)(shu)(shu)榮(rong)譽，也是ISSCC自1953年創辦70年以(yi)來(lai)國內(nei)(含港澳地區(qu))首次獲(huo)獎，表明北京大學團隊(dui)在集(ji)(ji)成電路設計(ji)領(ling)(ling)域已(yi)經獲(huo)得國際最(zui)高創新水平的認可。

頒獎現場

　　該工(gong)(gong)(gong)作(zuo)(JihangGao, Linxiao Shen*, Heyi Li, Siyuan, Ye, Jie Li, Xinhang Xu, Jiajia Cui, Yunhung Gao, Ru huang, and Le Ye*,“A 7.9fJ/Conversion-Step and 37.12aFrms Pipelined-SAR Capacitance-to-Digital Converter with kT/C Noise Cancellation and Incomplete-Settling-Based Correlated Level Shifting”, ISSCC 2023)針(zhen)對面(mian)(mian)向高(gao)(gao)速(su)高(gao)(gao)精(jing)(jing)度(du)電(dian)(dian)(dian)(dian)容(rong)(rong)數字轉(zhuan)(zhuan)換器需求，在(zai)(zai)架構和(he)電(dian)(dian)(dian)(dian)路兩個(ge)層面(mian)(mian)都提(ti)(ti)(ti)出了新的(de)(de)(de)(de)解(jie)決方案。在(zai)(zai)架構層面(mian)(mian)，該工(gong)(gong)(gong)作(zuo)創(chuang)新性地(di)采用了流(liu)水線型(xing)逐次逼(bi)近型(xing)寄存器型(xing)電(dian)(dian)(dian)(dian)容(rong)(rong)傳感(gan)器架構，在(zai)(zai)實現高(gao)(gao)精(jing)(jing)度(du)、高(gao)(gao)能效(xiao)的(de)(de)(de)(de)同(tong)時，提(ti)(ti)(ti)升了轉(zhuan)(zhuan)換速(su)度(du)；在(zai)(zai)電(dian)(dian)(dian)(dian)路層面(mian)(mian)，該工(gong)(gong)(gong)作(zuo)首次提(ti)(ti)(ti)出了可(ke)應用于電(dian)(dian)(dian)(dian)容(rong)(rong)傳感(gan)中(zhong)的(de)(de)(de)(de)kT/C采樣(yang)噪聲消除技(ji)術，解(jie)決了小電(dian)(dian)(dian)(dian)容(rong)(rong)傳感(gan)中(zhong)的(de)(de)(de)(de)精(jing)(jing)度(du)瓶(ping)頸問(wen)題，突破了采樣(yang)熱噪聲導致的(de)(de)(de)(de)精(jing)(jing)度(du)瓶(ping)頸問(wen)題。此(ci)外(wai)，該工(gong)(gong)(gong)作(zuo)首次提(ti)(ti)(ti)出的(de)(de)(de)(de)基于不完全(quan)建立的(de)(de)(de)(de)相(xiang)關電(dian)(dian)(dian)(dian)平(ping)抬升技(ji)術，縮短了傳統增益提(ti)(ti)(ti)升技(ji)術的(de)(de)(de)(de)粗(cu)放大階段的(de)(de)(de)(de)時間，在(zai)(zai)減(jian)少功耗(hao)的(de)(de)(de)(de)同(tong)時，將等(deng)效(xiao)開環增益顯著(zhu)提(ti)(ti)(ti)升，提(ti)(ti)(ti)高(gao)(gao)了級間放大器的(de)(de)(de)(de)能量(liang)效(xiao)率和(he)精(jing)(jing)度(du)，在(zai)(zai)提(ti)(ti)(ti)高(gao)(gao)轉(zhuan)(zhuan)換速(su)率的(de)(de)(de)(de)同(tong)時，開創(chuang)了高(gao)(gao)精(jing)(jing)度(du)(1fFrms噪聲水平(ping))電(dian)(dian)(dian)(dian)容(rong)(rong)傳感(gan)器的(de)(de)(de)(de)能量(liang)效(xiao)率世界紀錄。該論文的(de)(de)(de)(de)第一作(zuo)者是(shi)高(gao)(gao)繼航，他目(mu)前是(shi)北京大學(xue)(xue)集(ji)成電(dian)(dian)(dian)(dian)路學(xue)(xue)院(yuan)博士(shi)生二(er)年級學(xue)(xue)生，該項工(gong)(gong)(gong)作(zuo)也得到了李和(he)倚、葉思源、李杰(jie)、許欣航、崔佳佳、高(gao)(gao)潤雄等(deng)同(tong)學(xue)(xue)的(de)(de)(de)(de)技(ji)術支持，論文的(de)(de)(de)(de)通訊作(zuo)者是(shi)沈林曉和(he)葉樂。

獲獎介紹頁

　　該(gai)工作成果可(ke)廣泛應用(yong)于(yu)各(ge)類電(dian)(dian)(dian)容型傳(chuan)感器領(ling)(ling)域，包括人機交(jiao)互場景下(xia)的(de)隔空觸(chu)摸應用(yong)、各(ge)類電(dian)(dian)(dian)容型的(de)傳(chuan)感器(壓力(li)、濕度、加速度計(ji)等)，該(gai)工作核(he)心ADC部(bu)分(fen)的(de)共性技術成果也可(ke)應用(yong)于(yu)新能源電(dian)(dian)(dian)池(chi)組監測BMSAFE芯(xin)(xin)片。面(mian)對美國對我國高(gao)端芯(xin)(xin)片嚴(yan)苛的(de)禁運打(da)壓，團隊同(tong)時(shi)致(zhi)力(li)于(yu)打(da)造“一流科研(yan)成果”到(dao)“一流工程應用(yong)”的(de)產學研(yan)循(xun)環飛輪，將領(ling)(ling)先的(de)科研(yan)成果轉(zhuan)化應用(yong)于(yu)產業，努力(li)攻克隔空觸(chu)摸、高(gao)端電(dian)(dian)(dian)容型壓力(li)傳(chuan)感器等芯(xin)(xin)片的(de)自主可(ke)控；努力(li)打(da)造新能源電(dian)(dian)(dian)池(chi)組監測芯(xin)(xin)片領(ling)(ling)域“設計(ji)-工藝(yi)-通信(xin)-標準(zhun)”全(quan)鏈(lian)條中國造，解決(jue)新能源儲能和(he)汽(qi)車電(dian)(dian)(dian)池(chi)組核(he)心芯(xin)(xin)片的(de)數據(ju)安全(quan)和(he)供應鏈(lian)安全(quan)問題；積極推(tui)進SRAM存算(suan)一體(ti)AI芯(xin)(xin)片攻關及其與RISC-V異構融(rong)合的(de)AI芯(xin)(xin)片研(yan)發攻關，致(zhi)力(li)于(yu)依(yi)托國產現有(you)工藝(yi)“通過(guo)SRAM存算(suan)一體(ti)和(he)RISC-V異構融(rong)合”的(de)架構創新路線，來(lai)突破(po)1017算(suan)力(li)密度限制紅線，支撐大模型等人工智能戰略應用(yong)的(de)算(suan)力(li)需求。

芯(xin)片(pian)架構圖、芯(xin)片(pian)照片(pian)及芯(xin)片(pian)測試結果

　　ISSCC全(quan)(quan)稱(cheng)為國(guo)(guo)際(ji)固態電(dian)路會議(yi)，是世界學術(shu)界和企業(ye)界公(gong)認的(de)(de)集成(cheng)(cheng)電(dian)路設(she)計領(ling)域(yu)最(zui)高(gao)級別學術(shu)會議(yi)，被業(ye)界譽為“芯(xin)(xin)片(pian)(pian)(pian)(pian)設(she)計國(guo)(guo)際(ji)奧(ao)林匹克會議(yi)”，自1953年以來(lai)已連(lian)續開辦70余年，每(mei)年2月均在美國(guo)(guo)舊金(jin)山召開；每(mei)年有200余項(xiang)芯(xin)(xin)片(pian)(pian)(pian)(pian)實測成(cheng)(cheng)果(guo)入(ru)選，四成(cheng)(cheng)左右的(de)(de)芯(xin)(xin)片(pian)(pian)(pian)(pian)成(cheng)(cheng)果(guo)來(lai)自于國(guo)(guo)際(ji)芯(xin)(xin)片(pian)(pian)(pian)(pian)巨(ju)頭(tou)公(gong)司，例如(ru)：英特爾、三(san)星、臺積電(dian)、AMD、英偉(wei)達、高(gao)通、博通、ADI、TI、聯(lian)發科(ke)等(deng)，其余六成(cheng)(cheng)左右的(de)(de)芯(xin)(xin)片(pian)(pian)(pian)(pian)成(cheng)(cheng)果(guo)來(lai)自于高(gao)校(xiao)和科(ke)研院所；歷(li)史上入(ru)選ISSCC的(de)(de)成(cheng)(cheng)果(guo)代表著(zhu)當年度全(quan)(quan)球(qiu)領(ling)先(xian)水平(ping)，展(zhan)現出芯(xin)(xin)片(pian)(pian)(pian)(pian)技(ji)術(shu)和產業(ye)的(de)(de)發展(zhan)趨(qu)勢，多項(xiang)“芯(xin)(xin)片(pian)(pian)(pian)(pian)領(ling)域(yu)里(li)程碑式(shi)發明”在ISSCC首次披露，如(ru)：世界上第(di)(di)(di)一個(ge)(ge)集成(cheng)(cheng)模擬放大器芯(xin)(xin)片(pian)(pian)(pian)(pian)(1968年)、第(di)(di)(di)一個(ge)(ge)8位微(wei)處(chu)理器芯(xin)(xin)片(pian)(pian)(pian)(pian)(1974年)和32位微(wei)處(chu)理器芯(xin)(xin)片(pian)(pian)(pian)(pian)(1981年)、第(di)(di)(di)一個(ge)(ge)1Gb內存(cun)DRAM芯(xin)(xin)片(pian)(pian)(pian)(pian)(1995年)、第(di)(di)(di)一個(ge)(ge)多核處(chu)理器芯(xin)(xin)片(pian)(pian)(pian)(pian)(2005年)等(deng)。

　　最佳論文獎(jiang)(年度杰出技術(shu)論文獎(jiang))(Anantha P. Chandrakasan Award for Outstanding Distinguished-Technical Paper)是ISSCC的最高級別年度獎(jiang)勵，由(you)ISSCC技術(shu)評(ping)審委員會(hui)評(ping)審決定(ding)，每年全球僅頒發一項。