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IS63WV1288DALL/DALS Datasheet(PDF) 8 Page - Integrated Silicon Solution, Inc |
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IS63WV1288DALL/DALS Datasheet(HTML) 8 Page - Integrated Silicon Solution, Inc |
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8 / 20 page  8 Integrated Silicon Solution, Inc. — www.issi.com Rev. B 12/15/2011 IS63WV1288DALL/DALS IS63WV1288DBLL/DBLS IS64WV1288DBLL/DBLS READ CYCLE SWITCHING CHARACTERISTICS(1) (OverOperatingRange) -8 ns -10 ns -12 ns Symbol Parameter Min. Max. Min. Max. Min. Max. Unit trc ReadCycleTime 8 — 10 — 12 — ns tAA AddressAccessTime — 8 — 10 — 12 ns tohA OutputHoldTime 2 — 2 — 2 — ns tAce CE AccessTime — 8 — 10 — 12 ns tdoe OE AccessTime — 4 — 5 — 6 ns tlzoe(2) OE toLow-ZOutput 0 — 0 — 0 — ns thzoe(2) OE toHigh-ZOutput 0 4 0 5 0 6 ns tlzce(2) CE toLow-ZOutput 3 — 3 — 3 — ns thzce(2) CE toHigh-ZOutput 0 4 0 5 0 6 ns tPu CE toPowerUpTime 0 — 0 — 0 — ns tPd CE toPowerDownTime — 8 — 10 — 12 ns Notes: 1. Testconditionsassumesignaltransitiontimesof3nsorless,timingreferencelevelsof1.5V,inputpulselevelsof0to3.0Vload- ingspecifiedinFigure1. 2. TestedwiththeloadingspecifiedinFigure2.Transitionismeasured±500mVfromsteady-statevoltage.Not100%tested. READ CYCLE SWITCHING CHARACTERISTICS(1) (OverOperatingRange) -20 ns -25 ns -35 ns -45 ns Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Unit trc ReadCycleTime 20— 25— 35— 45— ns tAA AddressAccessTime —20 —25 —35 —45 ns tohA OutputHoldTime 2.5— 6— 8— 10— ns tAce CE AccessTime —20 —25 —35 —45 ns tdoe OE AccessTime —8 —12 —15 —20 ns thzoe(2) OE toHigh-ZOutput 08 08 010 0 15 ns tlzoe(2) OE toLow-ZOutput 0— 0— 0— 0 — ns thzce(2 CE toHigh-ZOutput 08 08 010 0 15 ns tlzce(2) CE toLow-ZOutput 3— 10— 10— 10— ns Notes: 1. Testconditionsassumesignaltransitiontimesof1.5nsorless,timingreferencelevelsof1.25V,inputpulselevelsof0.4Vto Vdd-0.3VandoutputloadingspecifiedinFigure1a. 2. TestedwiththeloadinFigure1b.Transitionismeasured±500mVfromsteady-statevoltage.Not100%tested. 3. Not100%tested. |
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