performanceꢀCMOSꢀtechnology.Thisꢀhighlyꢀreliableꢀprocessꢀ
IS62WV1288DALL/DBLL
IS65WV1288DALL/DBLLꢀ
ꢀ
128Kꢀxꢀ8ꢀLOWꢀVOLTAGE,ꢀ
DECEMBERꢀ2010
ULTRAꢀLOWꢀPOWERꢀCMOSꢀSTATICꢀRAM
FEATURES
DESCRIPTION
TheꢀISSIꢀIS62/65WV1288DALLꢀandꢀIS62/65WV1288DBLLꢀ
areꢀ ꢀ high-speed,ꢀ 1Mꢀ bitꢀ staticꢀ RAMsꢀ organizedꢀ asꢀ
128Kꢀwordsꢀbyꢀ8ꢀbits.ꢀItꢀisꢀfabricatedꢀusingꢀISSI'sꢀhigh-
•ꢀ High-speedꢀaccessꢀtime:ꢀꢀ35ns,ꢀ45ns,ꢀ55ns
•ꢀ CMOSꢀlowꢀpowerꢀoperation:
ꢀ 12ꢀmWꢀ(typical)ꢀoperating
coupledꢀwithꢀinnovativeꢀcircuitꢀdesignꢀtechniques,ꢀyieldsꢀ
high-performanceꢀandꢀlowꢀpowerꢀconsumptionꢀdevices.
ꢀ ꢀ4ꢀµWꢀ(typical)ꢀCMOSꢀstandby
•ꢀ TTLꢀcompatibleꢀinterfaceꢀlevels
•ꢀ Singleꢀpowerꢀsupply:ꢀꢀ
WhenꢀCS1ꢀisꢀHIGHꢀ(deselected)ꢀorꢀwhenꢀCS2ꢀisꢀLOWꢀ
(deselected),ꢀ theꢀ deviceꢀ assumesꢀ aꢀ standbyꢀ modeꢀ atꢀ
whichꢀtheꢀpowerꢀdissipationꢀcanꢀbeꢀreducedꢀdownꢀwithꢀ
CMOSꢀinputꢀlevels.
ꢀ ꢀ1.65V--2.2VꢀVdd (62WV1288dALL)
ꢀ ꢀ2.3V--3.6VꢀVdd (62WV1288dBLL)
EasyꢀmemoryꢀexpansionꢀisꢀprovidedꢀbyꢀusingꢀChipꢀEnableꢀ
andꢀOutputꢀEnableꢀinputs.ꢀTheꢀactiveꢀLOWꢀWriteꢀEnableꢀ
(WE)ꢀcontrolsꢀbothꢀwritingꢀandꢀreadingꢀofꢀtheꢀmemory.
•ꢀ Fullyꢀstaticꢀoperation:ꢀnoꢀclockꢀorꢀrefreshꢀ
required
TheꢀIS62/65WV1288DALLꢀandꢀIS62/65WV1288DBLLꢀareꢀ
packagedꢀinꢀtheꢀJEDECꢀstandardꢀ32-pinꢀTSOPꢀ(TYPEI),ꢀ
sTSOPꢀ(TYPEI),ꢀSOP,ꢀandꢀ36-pinꢀminiꢀBGA.
•ꢀ Threeꢀstateꢀoutputs
•ꢀ Industrialꢀandꢀautomotiveꢀtemperatureꢀsupport
•ꢀ Lead-freeꢀavailableꢀ
FUNCTIONALꢀBLOCKꢀDIAGRAM
128K x 8
MEMORY ARRAY
A0-A16
DECODER
VDD
GND
I/O
DATA
COLUMN I/O
I/O0-I/O7
CIRCUIT
CS2
CS1
OE
CONTROL
CIRCUIT
WE
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notice.ꢀꢀꢀISSIꢀassumesꢀnoꢀliabilityꢀarisingꢀoutꢀofꢀtheꢀapplicationꢀorꢀuseꢀofꢀanyꢀinformation,ꢀproductsꢀorꢀservicesꢀdescribedꢀherein.ꢀCustomersꢀareꢀadvisedꢀtoꢀobtainꢀtheꢀlat-
estꢀversionꢀofꢀthisꢀdeviceꢀspecificationꢀbeforeꢀrelyingꢀonꢀanyꢀpublishedꢀinformationꢀandꢀbeforeꢀplacingꢀordersꢀforꢀproducts.
IntegratedꢀSiliconꢀSolution,ꢀInc.ꢀdoesꢀnotꢀrecommendꢀtheꢀuseꢀofꢀanyꢀofꢀitsꢀproductsꢀinꢀlifeꢀsupportꢀapplicationsꢀwhereꢀtheꢀfailureꢀorꢀmalfunctionꢀofꢀtheꢀproductꢀcanꢀreason-
ablyꢀbeꢀexpectedꢀtoꢀcauseꢀfailureꢀofꢀtheꢀlifeꢀsupportꢀsystemꢀorꢀtoꢀsignificantlyꢀaffectꢀitsꢀsafetyꢀorꢀeffectiveness.ꢀProductsꢀareꢀnotꢀauthorizedꢀforꢀuseꢀinꢀsuchꢀapplicationsꢀ
unlessꢀIntegratedꢀSiliconꢀSolution,ꢀInc.ꢀreceivesꢀwrittenꢀassuranceꢀtoꢀitsꢀsatisfaction,ꢀthat:
a.)ꢀtheꢀriskꢀofꢀinjuryꢀorꢀdamageꢀhasꢀbeenꢀminimized;
b.)ꢀtheꢀuserꢀassumeꢀallꢀsuchꢀrisks;ꢀand
c.)ꢀpotentialꢀliabilityꢀofꢀIntegratedꢀSiliconꢀSolution,ꢀIncꢀisꢀadequatelyꢀprotectedꢀunderꢀtheꢀcircumstancesꢀꢀ
Integrated Silicon Solution, Inc. — www.issi.com ꢀ
1
Rev.ꢀ B
12/01/2010