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HYB39S128400FEL-7 Datasheet(PDF) 9 Page - Qimonda AG |
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HYB39S128400FEL-7 Datasheet(HTML) 9 Page - Qimonda AG |
9 / 21 page Data Sheet Rev. 1.32, 2007-10 9 10122006-I6LJ-WV3H HY[B/I]39S128[40/80/16][0/7]F[E/T](L) 128-MBit Synchronous DRAM 3 Functional Description This chapter list all defined commands and their usage for this Synchronous DRAM family. TABLE 5 Truth Table: Operation Command Operation Device State CKE n-11)2) 1) V = Valid, x = Don’t Care, L = Low Level, H = High Level 2) CKEn signal is input level when commands are provided, CKEn-1 signal is input level one clock before the commands are provided. CKE n1)2) DQM 1)2) BA0 BA11)2) AP= A101)2) Addr. 1)2) CS1 )2) RAS 1)2) CAS1 )2) WE 1)2) Bank Active Idle3) 3) This is the state of the banks designated by BA0, BA1 signals. HX X V V V L L H H Bank Precharge Any H X X V L X L L H L Precharge All Any H X X X H X L L H L Write Active3) HX X V L V L H L L Write with Auto precharge Active3) HX X V H V L H L L Read Active3) HX X V L V L H L H Read with Auto precharge Active3) HX X V H V L H L H Mode Register Set Idle H X X V V V L L L L No Operation Any H X X X X X L H H H Burst Stop Active H X X X X X L H H L Device Deselect Any H X X X X X H X X X Auto Refresh Idle H H X X X X L L L H Self Refresh Entry Idle H L X X X X L L L H Self Refresh Exit Idle (Self Refr.) L H X X X X H X X X LH H X Power Down/ Clock Suspend Entry Active or Idle or Burst HL X X X X H X X X LH H H Power Down/ Clock Suspend Exit Active or Idle or Burst LH X X X X H X X X LH H H Data Write/ Output Enable Active H X L X X X X X X X Data Write/ Output Disable Active H X H X X X X X X X |
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