{"title":"5.58nW 32.768kHz dll辅助XO，用于无线传感应用中的实时时钟","authors":"Dongmin Yoon, D. Sylvester, D. Blaauw","doi":"10.1109/ISSCC.2012.6177043","DOIUrl":null,"url":null,"abstract":"There is a growing interest in ultra-low-power wireless microsystems [1]. Synchronization between different nodes in a wireless sensor network plays an important role in the overall node energy budget due to the high power demand of wireless communication. One synchronization approach is to employ a realtime clock (RTC) on each node, with nodes awakening periodically to communicate and re-synchronize. With recent work on ultra-low-power microsystems demonstrating average power consumption of several nW [2], there is a need for ultra-low-power timers that can synchronize communication events and serve as frequency references for radios.","PeriodicalId":255282,"journal":{"name":"2012 IEEE International Solid-State Circuits Conference","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"43","resultStr":"{\"title\":\"A 5.58nW 32.768kHz DLL-assisted XO for real-time clocks in wireless sensing applications\",\"authors\":\"Dongmin Yoon, D. Sylvester, D. Blaauw\",\"doi\":\"10.1109/ISSCC.2012.6177043\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"There is a growing interest in ultra-low-power wireless microsystems [1]. Synchronization between different nodes in a wireless sensor network plays an important role in the overall node energy budget due to the high power demand of wireless communication. One synchronization approach is to employ a realtime clock (RTC) on each node, with nodes awakening periodically to communicate and re-synchronize. With recent work on ultra-low-power microsystems demonstrating average power consumption of several nW [2], there is a need for ultra-low-power timers that can synchronize communication events and serve as frequency references for radios.\",\"PeriodicalId\":255282,\"journal\":{\"name\":\"2012 IEEE International Solid-State Circuits Conference\",\"volume\":\"49 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-04-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"43\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 IEEE International Solid-State Circuits Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSCC.2012.6177043\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Solid-State Circuits Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSCC.2012.6177043","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A 5.58nW 32.768kHz DLL-assisted XO for real-time clocks in wireless sensing applications
There is a growing interest in ultra-low-power wireless microsystems [1]. Synchronization between different nodes in a wireless sensor network plays an important role in the overall node energy budget due to the high power demand of wireless communication. One synchronization approach is to employ a realtime clock (RTC) on each node, with nodes awakening periodically to communicate and re-synchronize. With recent work on ultra-low-power microsystems demonstrating average power consumption of several nW [2], there is a need for ultra-low-power timers that can synchronize communication events and serve as frequency references for radios.
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