IS42/45S16100F, IS42VS16100F
512K Words x 16 Bits x 2 Banks
16Mb SDRAM
JUNE 2012
FEATURES
DESCRIPTION
•ꢀ Clockꢀfrequency:ꢀ
ISSI’sꢀ16MbꢀSynchronousꢀDRAMꢀIS42S16100F,ꢀ
IS45S16100FꢀandꢀIS42VS16100Fꢀareꢀeachꢀorganizedꢀ
asꢀaꢀ524,288-wordꢀxꢀ16-bitꢀxꢀ2-bankꢀforꢀimprovedꢀ
performance.ꢀTheꢀsynchronousꢀDRAMsꢀachieveꢀhigh-
speedꢀdataꢀtransferꢀusingꢀpipelineꢀarchitecture.ꢀAllꢀ
inputsꢀandꢀoutputsꢀsignalsꢀreferꢀtoꢀtheꢀrisingꢀedgeꢀofꢀtheꢀ
clockꢀinput.
ꢀ IS42/45S16100F:ꢀ200,ꢀ166,ꢀ143ꢀMHzꢀ
IS42VS16100F:ꢀ133,ꢀ100ꢀMHz
•ꢀ Fullyꢀsynchronous;ꢀallꢀsignalsꢀreferencedꢀtoꢀaꢀ
positiveꢀclockꢀedge
•ꢀ Twoꢀbanksꢀcanꢀbeꢀoperatedꢀsimultaneouslyꢀandꢀ
independently
ADDRESS TABLE
Parameter
•ꢀ DualꢀinternalꢀbankꢀcontrolledꢀbyꢀA11ꢀꢀ
(bankꢀselect)
IS42/45S16100F IS42VS16100F
PowerꢀSupplyꢀVdd/Vddq
RefreshꢀCount
3.3V
1.8V
•ꢀ Singleꢀpowerꢀsupply:ꢀ
2K/32ms
2K/32ms
IS42/45S16100F:ꢀVdd/Vddqꢀ=ꢀ3.3V
IS42VS16100F:ꢀVdd/Vddqꢀ=ꢀ1.8V
RowꢀꢀAddressing
ColumnꢀAddressing
BankꢀAddressing
PrechargeꢀAddressing
A0-A10
A0-A7
A11
•ꢀ LVTTLꢀinterface
•ꢀ Programmableꢀburstꢀlengthꢀꢀ
–ꢀ(1,ꢀ2,ꢀ4,ꢀ8,ꢀfullꢀpage)
A10
•ꢀ Programmableꢀburstꢀsequence:ꢀꢀ
Sequential/Interleave
KEY TIMING PARAMETERS
•ꢀ 2048ꢀrefreshꢀcyclesꢀeveryꢀ32ꢀms
Parameter
-5(1)
-6(2) -7 (2) -75 (3) -10 (3) Unit
•ꢀ Randomꢀcolumnꢀaddressꢀeveryꢀclockꢀcycle
•ꢀ ProgrammableꢀCASꢀlatencyꢀ(2,ꢀ3ꢀclocks)
CLK Cycle Time
CAS Latency = 3
CAS Latency = 2
CLK Frequency
CAS Latency = 3
CAS Latency = 2
5
6
7
7.5
10
10
12
ns
ns
•ꢀ Burstꢀread/writeꢀandꢀburstꢀread/singleꢀwriteꢀꢀ
operationsꢀcapability
10
10
10
•ꢀ Burstꢀterminationꢀbyꢀburstꢀstopꢀandꢀꢀ
prechargeꢀcommand
200 166 143
100 100 100
133
100
100 Mhz
83
Mhz
•ꢀ ByteꢀcontrolledꢀbyꢀLDQMꢀandꢀUDQM
Access Time from
Clock
•ꢀ Packagesꢀ400-milꢀ50-pinꢀTSOP-IIꢀandꢀ60-ballꢀ
BGA
CAS Latency = 3
CAS Latency = 2
5
6
5.5
6
5.5
6
6
8
7
8
ns
ns
•ꢀ Lead-freeꢀpackageꢀoption
•ꢀ AvailableꢀinꢀIndustrialꢀꢀTemperature
Notes:
1. Available for IS42S16100F only
2. Available for IS42S16100F and IS45S16100F only
3. Available for IS42VS16100F only
Copyrightꢀ©ꢀ2012ꢀIntegratedꢀSiliconꢀSolution,ꢀInc.ꢀꢀAllꢀrightsꢀreserved.ꢀꢀISSIꢀreservesꢀtheꢀrightꢀtoꢀmakeꢀchangesꢀtoꢀthisꢀspecificationꢀandꢀitsꢀproductsꢀatꢀanyꢀtimeꢀwithoutꢀ
notice.ꢀꢀꢀISSIꢀassumesꢀnoꢀliabilityꢀarisingꢀoutꢀofꢀtheꢀapplicationꢀorꢀuseꢀofꢀanyꢀinformation,ꢀproductsꢀorꢀservicesꢀdescribedꢀherein.ꢀCustomersꢀareꢀadvisedꢀtoꢀobtainꢀtheꢀ
latestꢀversionꢀofꢀthisꢀdeviceꢀspecificationꢀbeforeꢀrelyingꢀonꢀanyꢀpublishedꢀinformationꢀandꢀbeforeꢀplacingꢀordersꢀforꢀproducts.ꢀ
IntegratedꢀSiliconꢀSolution,ꢀInc.ꢀdoesꢀnotꢀrecommendꢀtheꢀuseꢀofꢀanyꢀofꢀitsꢀproductsꢀinꢀlifeꢀsupportꢀapplicationsꢀwhereꢀtheꢀfailureꢀorꢀmalfunctionꢀofꢀtheꢀproductꢀcanꢀreason-
ablyꢀbeꢀexpectedꢀtoꢀcauseꢀfailureꢀofꢀtheꢀlifeꢀsupportꢀsystemꢀorꢀtoꢀsignificantlyꢀaffectꢀitsꢀsafetyꢀorꢀeffectiveness.ꢀProductsꢀareꢀnotꢀauthorizedꢀforꢀuseꢀinꢀsuchꢀapplicationsꢀ
unlessꢀIntegratedꢀSiliconꢀSolution,ꢀInc.ꢀreceivesꢀwrittenꢀassuranceꢀtoꢀitsꢀsatisfaction,ꢀthat:
a.)ꢀtheꢀriskꢀofꢀinjuryꢀorꢀdamageꢀhasꢀbeenꢀminimized;
b.)ꢀtheꢀuserꢀassumeꢀallꢀsuchꢀrisks;ꢀand
c.)ꢀpotentialꢀliabilityꢀofꢀIntegratedꢀSiliconꢀSolution,ꢀIncꢀisꢀadequatelyꢀprotectedꢀunderꢀtheꢀcircumstances
Integrated Silicon Solution, Inc. — www.issi.com ꢀ
1
Rev. A
06/13/2012