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IS42S16320B-7BL Datasheet(PDF) 10 Page - Integrated Silicon Solution, Inc |
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IS42S16320B-7BL Datasheet(HTML) 10 Page - Integrated Silicon Solution, Inc |
10 / 61 page 10 Integrated Silicon Solution, Inc. — www.issi.com Rev. C 08/27/09 IS42S86400B, IS42/45S16320B Current State CS RAS CAS WE Address Command Action Idle H X X X X DESL NoporPowerDown(2) L H H H X NOP NoporPowerDown(2) L H H L X BST NoporPowerDown L H L H BA,CA,A10 READ/READA ILLEGAL(3) L H L L A,CA,A10 WRIT/WRITA ILLEGAL(3) L L H H BA,RA ACT Rowactivating L L H L BA,A10 PRE/PALL Nop L L L H X REF/SELF AutorefreshorSelf-refresh(4) L L L L OC,BA1=L MRS Moderegisterset RowActive H X X X X DESL Nop L H H H X NOP Nop L H H L X BST Nop L H L H BA,CA,A10 READ/READA Beginread(5) L H L L BA,CA,A10 WRIT/WRITA Beginwrite(5) L L H H BA,RA ACT ILLEGAL(3) L L H L BA,A10 PRE/PALL Precharge Prechargeallbanks(6) L L L H X REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL Read H X X X X DESL Continuebursttoendto Rowactive L H H H X NOP ContinuebursttoendRow Rowactive L H H L X BST Burststop,Rowactive L H L H BA,CA,A10 READ/READA Terminateburst, begin new read (7) L H L L BA,CA,A10 WRIT/WRITA Terminateburst, begin write (7,8) L L H H BA,RA ACT ILLEGAL(3) L L H L BA,A10 PRE/PALL Terminateburst Precharging L L L H X REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL Write H X X X X DESL Continuebursttoend Writerecovering L H H H X NOP Continuebursttoend Writerecovering L H H L X BST Burststop,Rowactive L H L H BA,CA,A10 READ/READA Terminateburst,startread: DetermineAP(7,8) L H L L BA,CA,A10 WRIT/WRITA Terminateburst,newwrite: DetermineAP(7) L L H H BA,RA RAACT ILLEGAL(3) L L H L BA,A10 PRE/PALL TerminateburstPrecharging(9) L L L H X REF/SELF ILLEGAL L L L L OC,BA MRS ILLEGAL FUNCTIONAL TRUTH TABLE Note:H=Vih,L=Vilx=Vih or Vil,V=ValidData,BA=BankAddress,CA+ColumnAddress,RA=RowAddress,OC=Op-Code |
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