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EM6AA320 Datasheet 8M x 32 DDR SDRAM

Manufacturer: Etron Technology

Overview: EtronTech Revision History Revision 0.6(May, 2006) Preliminary Spec Delete confidential wording. EM6AA320 Revision 0.5(May, 2003) Preliminary Spec Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.8V spec. Revision 0.4(May, 2003) Preliminary Spec Revised the AC Timing of tCLK at CL=4 for pure VDD/VDDQ=2.5V spec. Revision 0.3(March, 2003) Preliminary Spec Separated pure VDD/VDDQ=2.8V spec for graphics application. Revision 0.2(March, 2003) Preliminary Spec Separated pure VDD/VDDQ=2.5V spec for mobile PC graphics application. Initially defined VDD=VDDQ=2.5V 275MHz(-3.6ns) preliminary specification. Combined VDD=VDDQ=2.5V 200MHz(-5ns) and 250MHz(-4ns) specification from rev. 0.1 for both 2.8V and 2.5V. Revision 0.1(February, 2003) Preliminary Spec Defined EM6AA320BI-3.6(275MHz). Added special code “M” in EM6AA320BI-4M for indicating 2.5V power supply. Added special code “M” in EM6AA320BI-5M for indicating 2.5V power supply. Removed EM6AA320BI-3.5(285MHz). Revised the DC current of IDD2P, IDD2N, IDD3P, IDD3N, IDD4R and IDD4W for all speed grade. Revision 0.0(July, 2002) Preliminary Spec Initially defined target specification.

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Key Features

  • Fast clock rate: 300/275/250/200 MHz.
  • Differential Clock CK & CK# input.
  • 4 Bi-directional DQS. Data transactions on both edges of DQS (1DQS / Byte).
  • DLL aligns DQ and DQS transitions.
  • Edge aligned data & DQS output.
  • Center aligned data & DQS input.
  • 4 banks operation.
  • Programmable mode and extended mode registers - CAS# Latency: 3, 4, 5 - Burst length: 2, 4, 8 - Burst Type: Sequential & Interleave.
  • Full page burst l.

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