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ASSOCIATED MEMORY 実績あり

Foreign code F110002470
File No. 5016PCT
Posted date 2011年3月8日
Country 世界知的所有権機関(WIPO)
International application number 2007JP056498
International publication number WO 2007/119540
Date of international filing 平成19年3月27日(2007.3.27)
Date of international publication 平成19年10月25日(2007.10.25)
Priority data
  • 特願2006-101106 (2006.3.31) JP
Title ASSOCIATED MEMORY 実績あり
Abstract An associated memory is provided with features of suppression of power consumption and a device structure to be simplified with a small installing area while maintaining high speed retrieval. The associated memory is comprised of a simplified function operation unit made of an LUT coupled logic circuit of a simplified CAM function (g) in which an invalid output of the CAM function (f) is replaced by don't-care, an auxiliary memory in which a reverse function (f-1) of the CAM function (f) is stored, and a consistency judging means for judging whether an output of an LUT operating means is consistent with an output of the CAM function (f), wherein the LUT operating means outputs an operated value (tentative index value) of the simplified CAM function (g) for input data, the auxiliary memory outputs the reverse function (f-1) of the tentative index value when the tentative index value is input, and the judging means compares the input date with the reverse function (f-1) and outputs an output value of the LUT operating means when the input data and the output value are consistent with each other but, otherwise, outputs an invalid signal.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • KYUSHU INSTITUTE OF TECHNOLOGY
  • Inventor
  • SASAO, Tsutomu
IPC(International Patent Classification)
Specified countries AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH,BR(UTILITY MODEL),BW,BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM,DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH,GM,GT,HN,HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM,PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,SV,SY,TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN,ZA,ZM,ZW,EP(AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HU,IE,IS,IT,LT,LU,LV,MC,MT,NL,PL,PT,RO,SE,SI,SK,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW,GH,GM,KE,LS,MW,MZ,NA,SD,SL,SZ,TZ,UG,ZM,ZW),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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