XC95144XL_datasheet.pdf

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1、âXC95144XLHighPerformanceCPLDNovember13,1998(Version1.2)PreliminaryProductSpecificationFeaturesPowerEstimation•5nspin-to-pinlogicdelaysPowerdissipationinCPLDscanverysubstantiallydepend-•Systemfrequencyupto178MHzingonthesystemfrequency,designapplication,andoutput•144macrocellswith3,200usablegates

2、loading.Tohelpreducepowerdissipation,eachmacrocell•AvailableinsmallfootprintpackagesinaXC9500XLdevicemaybeconfiguredforlow-power-100-pinTQFP(81userI/Opins)mode(fromthedefaulthigh-performancemode).Inaddi--144-pinTQFP(117userI/Opins)tion,unusedproduct-termsandmacrocellsareautomati--144-pinCSP(117u

3、serI/Opins)callydeactivatedbythesoftwaretofurtherconservepower.•Optimizedforhigh-performance3.3Vsystems-LowpoweroperationForageneralestimateofICC,thefollowingequationmaybeused:-5VtolerantI/Opinsaccept5V,3.3V,and2.5VsignalsICC(mA)=MCHP(0.5)+MCLP(0.3)+MC(0.0045mA/MHz)f-3.3Vor2.5VoutputcapabilityWh

4、ere:-Advanced0.35micronfeaturesizeCMOSFastFLASH™technologyMCHP=Macrocellsinhigh-performance(default)mode•AdvancedsystemfeaturesMCLP=Macrocellsinlow-powermode-In-systemprogrammableMC=Totalnumberofmacrocellsused-Superiorpin-lockingandroutabilitywithFastCONNECTII™switchmatrixf=Clockfrequency(MHz)-E

5、xtrawide54-inputFunctionBlocksThiscalculationisbasedontypicaloperatingconditions-Upto90product-termspermacrocellwithindividualusingapatternof16-bitup/downcountersineachFunctionproduct-termallocationBlockwithnooutputloading.TheactualICCvaluevaries-Localclockinversionwith3globalandoneproduct-witht

6、hedesignapplicationandshouldbeverifiedduringtermclocksnormalsystemoperation.-IndividualoutputenableperoutputpinwithlocalFigure1showstheaboveestimationingraphicalform.inversion-Inputhysteresisonalluserandboundary-scanpininputs200-Bus-holdciruitryonalluserpininputs178MHz-FullIEEEStandard1149.1boun

7、dary-scan(JTAG)•Fastconcurrentprogramming150•SlewratecontrolonindividualoutputsPerformance•EnhanceddatasecurityfeaturesHigh(mA)104MHz•ExcellentqualityandreliabilityCC100-Enduranceexceeding10,000program/erasecycles-20yeardata