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AS4C128M16D2 Datasheet(PDF) 6 Page - Alliance Semiconductor Corporation |
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AS4C128M16D2 Datasheet(HTML) 6 Page - Alliance Semiconductor Corporation |
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6 / 75 page  AS4C128M16D2 Confidential 5 Version 2.0 – Oct/2014 Self Idle Setting EMRS Bank Precharging Power Writing ACT RDA Read SRF REF CKEL MRS CKEH CKEH CKEL Write Automatic Sequence Command Sequence RDA WRA Read PR, PRA PR Refreshing Refreshing Down Power Down Active with RDA Reading with WRA Active Precharge Reading Writing PR(A) = Precharge (All) MRS = (Extended) Mode Register Set SRF=EnterSelfRefresh REF = Refresh CKEL = CKE low, enter Power Down CKEH = CKE high, exit Power Down, exit Self Refresh ACT = Activate WR(A) = Write (with Autoprecharge) RD(A) = Read (with Autoprecharge) Note: Use caution with this diagram. It is intended to provide a floorplan of the possible state transitions Simplified State Diagram All banks precharged Activating CKEH Read Write CKEL MRS CKEL Sequence Initialization OCD calibration CKEL CKEL CKEL Autoprecharge Autoprecharge PR, PRA PR, PRA and the commands to control them, not all details. In particular situations involving more than one bank, enabling/disabling on-die termination, Power Down enty/exit - among other things - are not captured in full detail. Write |
Similar Part No. - AS4C128M16D2 |
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Similar Description - AS4C128M16D2 |
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