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IS42S32800J-7BL Datasheet(PDF) 11 Page - Integrated Silicon Solution, Inc |
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IS42S32800J-7BL Datasheet(HTML) 11 Page - Integrated Silicon Solution, Inc |
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11 / 60 page  11 Integrated Silicon Solution, Inc. - www.issi.com Rev. 0A 8/14/2014 IS42S32800J, IS45S32800J Current State CS RAS CAS WE Address Command Action WriteRecovering H × × × × DESL Nop,EnterrowactiveaftertDPL L H H H × NOP Nop,EnterrowactiveaftertDPL L H H L × BST Nop,EnterrowactiveaftertDPL L H L H BA,CA,A10 READ/READA Beginread (8) L H L L BA,CA,A10 WRIT/WRITA Beginnewwrite L L H H BA,RA ACT ILLEGAL(3) L L H L BA,A10 PRE/PALL ILLEGAL(3) L L L H × REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL WriteRecovering H × × × × DESL Nop,EnterprechargeaftertDPL withAuto L H H H × NOP Nop,EnterprechargeaftertDPL Precharge L H H L × BST Nop,EnterrowactiveaftertDPL L H L H BA,CA,A10 READ/READA ILLEGAL(3,8,11) L H L L BA,CA,A10 WRIT/WRITA ILLEGAL(3,11) L L H H BA,RA ACT ILLEGAL(3,11) L L H L BA,A10 PRE/PALL ILLEGAL(3,11) L L L H × REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL Refresh H × × × × DESL Nop,EnteridleaftertRC L H H × × NOP/BST Nop,EnteridleaftertRC L H L H BA,CA,A10 READ/READA ILLEGAL L H L L BA,CA,A10 WRIT/WRITA ILLEGAL L L H H BA,RA ACT ILLEGAL L L H L BA,A10 PRE/PALL ILLEGAL L L L H × REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL ModeRegister H × × × × DESL Nop,Enteridleafter2clocks Accessing L H H H × NOP Nop,Enteridleafter2clocks L H H L × BST ILLEGAL L H L × BA,CA,A10 READ/WRITE ILLEGAL L L × × BA,RA ACT/PRE/PALL ILLEGAL REF/MRS FUNCTIONAL TRUTH TABLE Continued: Note:H=Vih,L=Vilx=VihorVil,V=ValidData,BA=BankAddress,CA+ColumnAddress,RA=RowAddress,OC=Op-Code Notes: 1.AllentriesassumethatCKEisactive(CKEn-1=CKEn=H). 2.Ifbothbanksareidle,andCKEisinactive(Low),thedevicewillenterPowerDownmode.AllinputbuffersexceptCKEwillbe disabled. 3.Illegaltobankinspecifiedstates;FunctionmaybelegalinthebankindicatedbyBankAddress(BA),dependingonthestateof that bank. 4.Ifbothbanksareidle,andCKEisinactive(Low),thedevicewillenterSelf-Refreshmode.AllinputbuffersexceptCKEwillbe disabled. 5.IllegaliftRCDisnotsatisfied. 6.IllegaliftRASisnotsatisfied. 7.Mustsatisfyburstinterruptcondition. 8.Mustsatisfybuscontention,busturnaround,and/orwriterecoveryrequirements. 9.Mustmaskprecedingdatawhichdon’tsatisfytDPL. 10.IllegaliftRRDisnotsatisfied. 11. Illegal for single bank, but legal for other banks. |
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