IBM SGRAM Features

• A Synchronous DRAM with a few extra features for graphics

  • Fill operation support as in VRAM
    • Two color registers

• Pipelined architecture that allows Column address to change every cycle

  • Precharging one bank while accessing other bank allows continuous access
    • Implies that rows would accessed alternatively between banks
  • 83 Mhz, 100 Mhz, 133 Mhz clock speeds

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