O. Thomas, B. Zimmer, B. Pelloux-Prayer, N. Planes, K. Akyel, L. Ciampolini, P. Flatresse, B. Nikolić
{"title":"6T SRAM design for wide voltage range in 28nm FDSOI","authors":"O. Thomas, B. Zimmer, B. Pelloux-Prayer, N. Planes, K. Akyel, L. Ciampolini, P. Flatresse, B. Nikolić","doi":"10.1109/SOI.2012.6404393","DOIUrl":null,"url":null,"abstract":"Unique features of the 28nm ultra-thin body and buried oxide (UTBB) FDSOI technology enable the operation of SRAM in a wide voltage range. Minimum operating voltage limitations of a high-density (HD) 6-transistor (6T) SRAM can be overcome by using a single p-well (SPW) bitcell design in FDSOI. Transient simulations of dynamic failure metrics suggest that a HD 6T SPW array with 128 cells per bitline operates down to 0.65V in typical conditions with no assist techniques. In addition, a wide back-bias voltage range enables run-time tradeoffs between the low leakage current in the sleep mode and the short access time in the active mode, making it attractive for high-performance portable applications.","PeriodicalId":306839,"journal":{"name":"2012 IEEE International SOI Conference (SOI)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"21","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International SOI Conference (SOI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SOI.2012.6404393","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 21
Abstract
Unique features of the 28nm ultra-thin body and buried oxide (UTBB) FDSOI technology enable the operation of SRAM in a wide voltage range. Minimum operating voltage limitations of a high-density (HD) 6-transistor (6T) SRAM can be overcome by using a single p-well (SPW) bitcell design in FDSOI. Transient simulations of dynamic failure metrics suggest that a HD 6T SPW array with 128 cells per bitline operates down to 0.65V in typical conditions with no assist techniques. In addition, a wide back-bias voltage range enables run-time tradeoffs between the low leakage current in the sleep mode and the short access time in the active mode, making it attractive for high-performance portable applications.