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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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IS61WV6416DBLL/DBLS Fiches technique(PDF) 13 Page - Integrated Silicon Solution, Inc |
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IS61WV6416DBLL/DBLS Fiches technique(HTML) 13 Page - Integrated Silicon Solution, Inc |
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13 / 21 page  Integrated Silicon Solution, Inc. — www.issi.com 13 Rev. A 11/18/2010 1 2 3 4 5 6 7 8 9 10 11 12 IS61WV6416DALL/DALS, IS61WV6416DBLL/DBLS, IS64WV6416DBLL/DBLS WRITE CYCLE SWITCHING CHARACTERISTICS(1,2) (OverOperatingRange) -20 ns -25 ns -35 ns -45ns Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Unit twc WriteCycleTime 20— 25— 35— 45— ns tsce CE toWriteEnd 12— 18— 25— 35— ns tAw AddressSetupTime 12— 15— 25— 35— ns toWriteEnd tHA AddressHoldfromWriteEnd0— 0— 0— 0— ns tsA AddressSetupTime 0— 0— 0— 0— ns tPwb LB ,UBValidtoEndofWrite 12— 18— 30— 35— ns tPwe1 WE PulseWidth(OE=HIGH)12— 18— 30— 35— ns tPwe2 WE PulseWidth(OE=LOW)17— 20— 30— 35— ns tsd DataSetuptoWriteEnd 9— 12— 15— 20— ns tHd DataHoldfromWriteEnd 0— 0— 0— 0— ns tHzwe(3) WELOWtoHigh-ZOutput —9 —12 —20 —20 ns tLzwe(3) WEHIGHtoLow-ZOutput 3— 5— 5— 5— ns Notes: 1. TestconditionsforIS61WV6416LLassumesignaltransitiontimesof1.5nsorless,timingreferencelevelsof1.25V,inputpulse levelsof0.4VtoVdd-0.3VandoutputloadingspecifiedinFigure1a. 2. TestedwiththeloadinFigure1b.Transitionismeasured±500mVfromsteady-statevoltage.Not100%tested. 3. TheinternalwritetimeisdefinedbytheoverlapofCELOWandUBorLB,andWELOW.Allsignalsmustbeinvalidstatesto initiateaWrite,butanyonecangoinactivetoterminatetheWrite.TheDataInputSetupandHoldtimingarereferencedtothe risingorfallingedgeofthesignalthatterminatesthewrite. |
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