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ID:6729276
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时间:2018-01-23
《科技英语 存储器件原文与翻译》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、WordsandExpressions5ferroelectricn.[电]铁电物质;adj.铁电的volatileadj.易失,易变,挥发bipolaradj.双极性的hybridadj.混合的router路由器dynamicadj.动力学的,动态的leakagen.漏,泄漏refreshv.刷新,更新offsetv.弥补,抵消,n.偏移量maskn.掩码,掩模,屏蔽lithographic平版印刷的erasableadj.可擦除的,可抹去的programmableadj.可编程的ultraviolet(UV)n.紫外线,adj.紫外线5floppydiskn.软盘m
2、agneticmemories磁存储器opticalmemories光存储器electronicmemory电存储器moduleformat模块形式flipflop双稳态多谐振荡器;触发器inparallel并行的,平行的addresspointer地址指针payoff带来利益,偿清interfacecircuitry接口电路cachememoryn.高速缓冲存储器extradrive附加驱动datacomparator数据比较器storagecell存储单元5trenchcapacitor沟道式电容器RAMRandomAccessMemory随机存储器MOSabbr.
3、(Metal-OxideSemiconductor)金属氧化物半导体CMOSabbr.(ComplementaryMetal-Oxide-Semiconductor)互补金属氧化物半导体SRAMStaticRandomAccessMemory静态随机存储器DRAMDynamicRandomAccessMemory动态随机存储器ROMReadOnlyMemory只读存储器EEPROMElectricallyErasableProgrammableROM电可擦除可编程只读存储器ECLEmitterCoupledLogic射极耦合逻辑电路CAMContentAddressab
4、leMemory内容寻址存储器ALUarithmeticlogicunit逻辑运算单元5Unit3MemoryDevicesMemoriescanbemadeinmechanical,magnetic,optical,biologicalandelectronictechnologies.Examplesofmagneticmemoriesaretapes,floppydisks,harddrivesandferroelectricRAMs.ExamplesofopticalmemoriesareCD-ROMs,rewrittableCDs.Electronicmemo
5、ryisusedextensivelyincomputerequipmentsinceitisthefastestavailable.Forapplicationswherespeedislessimportant,magneticandopticaltechnologiesareoftenused.AllelectronicmemorytodaycanbeinseparateICformat,moduleformat,orcanbepartofanICasamacrofunctionor‘cell’.Inthetablebelowisanoverviewofsomee
6、lectronicmemory.Theflip-flopAflip-flopisbasicallyabi-statecircuitinwhicheithera0or1statecanresides.Becauseofitssimplicity,theflip-flopisextremelyfast.Asabasicelement,theflip-flopisusedindigitalcircuitsandICs.Aflip-flopwillloseitsstatewhenthesupplyvoltageisremoved.Therefore,itisvolatile.T
7、heregisterAregisterisasetofflip-flopsinparallel.Typicallyaregisteris8,16,32or64bitswide.Oftenaregisterisusedtoholddata,addresspointers,etc.Aregisterisvolatileandveryfastjustliketheflip-flop.Table1.1TapyPropertiesRead/writeNon-volatileSpeedCost/bitFlip-flopOne-bitregister.
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