Where to buy EMMC SDIN8DE2-16G?

Forums Devices OSD335x-SM Where to buy EMMC SDIN8DE2-16G?

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    • #5083
      Sam Absamy03
      Participant

        Hi All,

        I am having really hard time sourcing the EMMC used inĀ OSD3358-SM-RED. Can anyone please let me know where to get it from.

        Thank you,

      • #5087
        Erik WelshErik Welsh
        Keymaster

          The OSD3358-SM-RED board uses a standard 153 ball eMMC (11.5mm x 13mm). While it might be hard to source the exact part number, you can always swap it with footprint compatible eMMC parts that can be found at the major distributors (Arrow, Mouser, DigiKey, or Avnet). The only caveats are: 1) make sure that the part uses the 153 ball eMMC footprint and not the 169 or 100 pin footprints; 2) make sure that you have done the necessary things in layout to support the newer eMMC versions (this was not done on the OSD3358-SM-RED layout but will be done on the next revision of the board). See the Designing for Flexibility around eMMC app note for more information.

        • #5088
          Sam Absamy03
          Participant

            Hi Erik,

            Thanks for your response. Just want to make sure, is this something that I can use:Ā https://www.digikey.com/product-detail/en/panasonic-electronic-components/RP-SEMC08DA1/P122048-ND/6964963

            Its a 8Gb eMMC with 153 FBGA package.

            Thank you

          • #5089
            Erik WelshErik Welsh
            Keymaster

              That component looks like it will work. Just make sure that your design follows the guidelines outlined in the app note referenced above.

            • #6231
              Marcin WijataMarcin_W
              Participant

                Dear Erik,

                I have some doubts. Hint, please ask what electric potential has the pin marked in yellow. If it is GND then why has a separate grommet. It can be connected to the central grommet.

                Please find attached screen.

                Bye

                • This reply was modified 6 years, 2 months ago by Marcin WijataMarcin_W.
              • #6251
                Eshtaartha BasuEshtaartha Basu
                Moderator

                  Hello Marcin_W,

                  The pin you have marked is VSS (GND). Each via will have limit on how much current it can sink based on its drill size. Since the central GND via is already sinking current from 4 pins, we have used a separate ground via for pin J5 (VSS).

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