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Statements

Subject Item
dbr:NvSRAM
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非揮發性SRAM NvSRAM
rdfs:comment
(Non-volatile SRAM,nvSRAM)是一種,它的操作方法和普通的靜態隨機存取記憶體(Static Random-Access Memory,SRAM)大同小異,但卻不需要供電來維持記憶體內部的值。雖然在結構上跟一般的SRAM是相同的,但是一般的SRAM只能做讀和寫,而非揮發性SRAM則可以做出讀(read)、寫(write)、儲存(store)、召回(restore)等動作。 而要做出非揮發性SRAM的方法有很多種,其中一種方法是整個區塊或整個模組要斷電之前,把非揮發性SRAM內部的值藉由store來把值轉移到非揮發性記憶體上,等到區塊或模組上點後,在藉由restore來把之前存入的值取出來,此方法為使用硬體來做儲存的方法。還有許多其他種類的方法,如自動儲存(AutoStore)和軟體儲存(Software Store)皆是儲存的方法。 而非揮發性SRAM的應用層面很廣,因為不僅僅解決的SRAM無法永久保存值的缺點,並且透過使用非揮發性SRAM也可以達到低功耗的目的,同時也可以保有基本SRAM的高速運作。 nvSRAM is a type of non-volatile random-access memory (NVRAM). nvSRAM extends the functionality of basic SRAM by adding non-volatile storage such as an EEPROM to the SRAM chip. In operation, data is written to and read from the SRAM portion with high-speed access; the data in SRAM can then be stored into or retrieved from the non-volatile storage at lower speeds when needed. nvSRAM is faster than EPROM and EEPROM solutions.
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n13:NvSRAM-SONOS-technology.png?width=300
dbo:abstract
(Non-volatile SRAM,nvSRAM)是一種,它的操作方法和普通的靜態隨機存取記憶體(Static Random-Access Memory,SRAM)大同小異,但卻不需要供電來維持記憶體內部的值。雖然在結構上跟一般的SRAM是相同的,但是一般的SRAM只能做讀和寫,而非揮發性SRAM則可以做出讀(read)、寫(write)、儲存(store)、召回(restore)等動作。 而要做出非揮發性SRAM的方法有很多種,其中一種方法是整個區塊或整個模組要斷電之前,把非揮發性SRAM內部的值藉由store來把值轉移到非揮發性記憶體上,等到區塊或模組上點後,在藉由restore來把之前存入的值取出來,此方法為使用硬體來做儲存的方法。還有許多其他種類的方法,如自動儲存(AutoStore)和軟體儲存(Software Store)皆是儲存的方法。 而非揮發性SRAM的應用層面很廣,因為不僅僅解決的SRAM無法永久保存值的缺點,並且透過使用非揮發性SRAM也可以達到低功耗的目的,同時也可以保有基本SRAM的高速運作。 nvSRAM is a type of non-volatile random-access memory (NVRAM). nvSRAM extends the functionality of basic SRAM by adding non-volatile storage such as an EEPROM to the SRAM chip. In operation, data is written to and read from the SRAM portion with high-speed access; the data in SRAM can then be stored into or retrieved from the non-volatile storage at lower speeds when needed. nvSRAM is one of the advanced NVRAM technologies that are fast replacing the battery-backed static random-access memory (BBSRAM), especially for applications that need battery-free solutions and long-term retention at SRAM speeds. nvSRAMs are used in a wide range of situations: networking, aerospace, and medical, among many others where the preservation of data is critical and where batteries are impractical. nvSRAM is faster than EPROM and EEPROM solutions.
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