Electronic Components Datasheet Search |
|
IS42VS16100E-75TLI Datasheet(PDF) 3 Page - Integrated Silicon Solution, Inc |
|
IS42VS16100E-75TLI Datasheet(HTML) 3 Page - Integrated Silicon Solution, Inc |
3 / 81 page IS42VS16100E Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 3 Rev. 00E 01/21/2011 PINFUNCTIONS PinNo. Symbol Type Function(InDetail) 20to24 A0-A10 InputPin A0toA10areaddressinputs.A0-A10areusedasrowaddressinputsduringactive 27to32 commandinputandA0-A7ascolumnaddressinputsduringreadorwritecommandinput. A10isalsousedtodeterminetheprechargemodeduringothercommands.IfA10is LOWduringprechargecommand,thebankselectedbyA11isprecharged,butifA10is HIGH,bothbankswillbeprecharged. WhenA10isHIGHinreadorwritecommandcycle,theprechargestartsautomatically aftertheburstaccess. ThesesignalsbecomepartoftheOPCODEduringmoderegistersetcommandinput. 19 A11 InputPin A11isthebankselectionsignal.WhenA11isLOW,bank0isselectedandwhenhigh, bank1isselected.ThissignalbecomespartoftheOPCODEduringmoderegisterset commandinput. 16 CAS InputPin CAS ,inconjunctionwiththeRASandWE,formsthedevicecommand.Seethe “CommandTruthTable”itemfordetailsondevicecommands. 34 CKE InputPin TheCKEinputdetermineswhethertheCLKinputisenabledwithinthedevice.Whenis CKEHIGH,thenextrisingedgeoftheCLKsignalwillbevalid,andwhenLOW,invalid. WhenCKEisLOW,thedevicewillbeineitherthepower-downmode,theclocksuspend mode,ortheselfrefreshmode.TheCKEisanasynchronousinput. 35 CLK InputPin CLKisthemasterclockinputforthisdevice.ExceptforCKE,allinputstothisdeviceare acquiredinsynchronizationwiththerisingedgeofthispin. 18 CS InputPin TheCSinputdetermineswhethercommandinputisenabledwithinthedevice. CommandinputisenabledwhenCSisLOW,anddisabledwithCSisHIGH.Thedevice remainsinthepreviousstatewhenCSisHIGH. 2,3,5,6,8,9,11 DQ0to DQPin DQ0toDQ15areDQpins.DQthroughthesepinscanbecontrolledinbyteunits 12,39,40,42,43, DQ15 usingtheLDQMandUDQMpins. 45,46,48,49 14,36 LDQM, InputPin LDQMandUDQMcontrolthelowerandupperbytesoftheDQbuffers.Inread UDQM mode,LDQMandUDQMcontroltheoutputbuffer.WhenLDQMorUDQMisLOW,the correspondingbufferbyteisenabled,andwhenHIGH,disabled.Theoutputsgo to theHIGHimpedancestatewhenLDQM/UDQMisHIGH.ThisfunctioncorrespondstoOE inconventionalDRAMs.Inwritemode,LDQMandUDQMcontroltheinputbuffer.When LDQMorUDQMisLOW,thecorrespondingbufferbyteisenabled,anddatacanbe writtentothedevice.WhenLDQMorUDQMisHIGH,inputdataismaskedandcannotbe writtentothedevice. 17 RAS InputPin RAS ,inconjunctionwithCASandWE,formsthedevicecommand.Seethe“Command TruthTable”itemfordetailsondevicecommands. 15 WE InputPin WE,inconjunctionwithRASandCAS,formsthedevicecommand.Seethe“Command TruthTable”itemfordetailsondevicecommands. 7,13,38,44 VDDQ PowerSupplyPin VDDQistheoutputbufferpowersupply. 1,25 VDD PowerSupplyPin VDDisthedeviceinternalpowersupply. 4,10,41,47 VSSQ PowerSupplyPin VSSQistheoutputbufferground. 26,50 VSS PowerSupplyPin VSSisthedeviceinternalground. |
Similar Part No. - IS42VS16100E-75TLI |
|
Similar Description - IS42VS16100E-75TLI |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |