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IS42S16400J-6TLI Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers |
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IS42S16400J-6TLI Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers |
9 / 60 page Integrated Silicon Solution, Inc. — www.issi.com9 Rev. F 12/17/2013 IS42S16400J IS45S16400J TRUTH TABLE – COMMANDS AND DQM OPERATION(1) FUNCTION CS RAS CAS WE DQM ADDR DQs COMMANDINHIBIT(NOP) H X X X X X X NOOPERATION(NOP) L H H H X X X ACTIVE(Selectbankandactivaterow)(3) L L H H X Bank/Row X READ(Selectbank/column,startREADburst)(4) L H L H L/H(8) Bank/Col X WRITE(Selectbank/column,startWRITEburst)(4) L H L L L/H(8) Bank/Col Valid BURSTTERMINATE L H H L X X Active PRECHARGE(Deactivaterowinbankorbanks)(5) L L H L X Code X AUTOREFRESHorSELFREFRESH(6,7) L L L H X X X (Enter self refresh mode) LOADMODEREGISTER(2) L L L L X Op-Code X WriteEnable/OutputEnable(8) — — — — L — Active WriteInhibit/OutputHigh-Z(8) — — — — H — High-Z NOTES: 1. CKEisHIGHforallcommandsexceptSELFREFRESH. 2. A0-A11 define the op-code written to the mode register. 3. A0-A11providerowaddress,andBA0,BA1determinewhichbankismadeactive. 4. A0-A7(x16)providecolumnaddress;A10HIGHenablestheautoprechargefeature(nonpersistent),whileA10LOWdisables autoprecharge;BA0,BA1determinewhichbankisbeingreadfromorwrittento. 5. A10LOW:BA0,BA1determinethebankbeingprecharged.A10HIGH:AllbanksprechargedandBA0,BA1are“Don’tCare.” 6. AUTOREFRESHifCKEisHIGH,SELFREFRESHifCKEisLOW. 7. Internalrefreshcountercontrolsrowaddressing;allinputsandI/Osare“Don’tCare”exceptforCKE. 8. ActivatesordeactivatestheDQsduringWRITEs(zero-clockdelay)andREADs(two-clockdelay). |
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