PCM相变换存储器

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1、Numonyx®OmneoTMP5QPCM128-Mbit,Quad/Dual/SingleSerialInterface,128-KbyteSectorsPhaseChangeMemory(PCM)with66MHzSPIBusInterfaceFeatures¢SPIbuscompatibleserialinterface¢66MHz(maximum)clockfrequency¢2.7Vto3.6Vsinglesupplyvoltage¢SupportslegacySPIprotocolandnewQuadI/Oo

2、rDualI/OSPIprotocolSO16(MF)¢QuadI/Ofrequencyof50MHz,resultinginan300milswidthequivalentclockfrequencyupto200MHz:¢DualI/Ofrequencyof66MHz,resultinginanequivalentclockfrequencyupto132MHz:¢Continuousreadofentirememoryviasingleinstruction:¢Morethan1,000,000writecycle

3、s–Quad&DualOutputFastRead–Quad&DualInputFastProgram¢PhaseChangeMemory(PCM)–Chalcogenidephasechangestorage¢Uniform128-Kbytesectors(flashemulation)element¢WriteOperations–Bitalterablewriteoperation–128-Kbytesectorserase(emulated)–LegacyFlashPageProgram–Bit-alterabl

4、ePageWrites–PageProgramonall1s(PreSetWrites)¢Writeprotections–Protectedareasizedefinedbyfournon-volatilebits(BP0,BP1,BP2,andBP3)¢Electronicsignature–JEDECstandardtwo-bytesignature(DA18h)¢DensityandPackaging–128MbitdensitywithSOIC16packageApril2010Rev31/56www.numo

5、nyx.com1ContentsNumonyx®Omneo™P5QDatasheetContents1Description.................................................61.1Introduction................................................61.2ProductDescription..........................................72Signaldescriptions....

6、.....................................102.1Serialdatainput(D/DQ0).....................................102.2Serialdataoutput(Q/DQ1)....................................102.3SerialClock(C)............................................102.4ChipSelect(S).................

7、............................102.5Hold(HOLD/DQ3)...........................................112.6Writeprotect(W/DQ2)........................................112.7VCCsupplyvoltage...........................................112.8VSSground...............................

8、..................113SPImodes................................................124Operatingfeatures.........................................144.1Pageprogramming.