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Interfacing AT91SAM9260 with cheap SRAM or SRAM?

Discussion in 'Embedded' started by Mark, Oct 26, 2006.

  1. Mark

    Mark Guest

    I was hoping to only spend $1 to $2 for 32k SRAM (or SDRAM) to
    interface with the AT91SAM9260. Looking at the schematic for the
    AT91SAM9260 evaluation board, I can see it uses two Micron
    MT48LC16M16A2 32KB SDRAM chips. Looking on digikey.com and avnet.com,
    this chip is about $7 in quantities of 10,000, which is much too
    expensive for the project.

    Does anyone think I will be able to find 32KB SRAM (or SDRAM) that is
    compatible with the AT91SAM9260, and that is around $2? I am pretty
    newbie-ish whenit comes to SRAM/SDRAM so this question may come off as
    very stupid. Thanks - mark
    Mark, Oct 26, 2006
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  2. Mark

    Arlet Guest

    The Micron chips you referred to are 32MB, not kB.

    How much do you exactly need ? The MT48LC4M16A2P sells for $2.38 at
    digikey in 10,000 quantities, and is 8MB.

    If you need kilobytes, you'll need an SRAM, since the SDRAMs aren't
    that small.
    Arlet, Oct 26, 2006
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  3. Mark

    Mark Guest

    doh! thanks for your help! cant believe i foobared that, but i am happy
    anyway :)
    Mark, Oct 26, 2006
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