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???
07/24/09 19:06
Modified:
  07/24/09 19:06
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 		 #167842 - even more to the roots
Responding to: ???'s previous message
http://www.sdcard.org/developers/tech/embedded_sd/

Among other, they say: "...in a small standard Fine Ball Grid Array (FBGA) package ...". Definitively the BTT (bored teens toys) cathegory.

Toshiba is also one of the original SD card developers and they have them, toohttp://www.semicon.toshiba.co.jp/eng/produ...x.html#esd (you have to click at the eSD "tab" roughly in the middle of page).

But, once at it, why not get the controller which is inside the card - e.g. http://www.ite.com.tw/EN/produc...4&ID=17,90 or http://www.genesyslogic.com/_en/produ....php?id=33 - and the memory (NAND flash) itself? I bet the solderability and over-the-counter availability will be roughly the same (namely, nil).

JW


List of 28 messages in thread
TopicAuthorDate
Embedded SD Memory - anyone seen any?            01/01/70 00:00      
   what's the point?            01/01/70 00:00      
      A microcontroller != flash memory controller            01/01/70 00:00      
         of course not, it's just one task of many ;-)            01/01/70 00:00      
            You actually gain a lot            01/01/70 00:00      
               whatever            01/01/70 00:00      
                  even more to the roots            01/01/70 00:00      
                     Solderability not a problem            01/01/70 00:00      
            There are advantages            01/01/70 00:00      
      Memories can be purchased separately.            01/01/70 00:00      
         memories... of the shelf...            01/01/70 00:00      
            Pricey and consumes a lot of processor pins            01/01/70 00:00      
               an interesting overview            01/01/70 00:00      
               Is 8 pins a "lot of pins"?            01/01/70 00:00      
                  Not SD - the linked memory            01/01/70 00:00      
                     is 17 a very large number? ;-)            01/01/70 00:00      
                        Show me your solderable SD module            01/01/70 00:00      
                           there's nothing to prevent you from soldering a micro-SD            01/01/70 00:00      
                              That's stretching it a bit            01/01/70 00:00      
                        Every extra pin needed can be very expensive            01/01/70 00:00      
   There's cheap SD with PCI            01/01/70 00:00      
      Oddly enough ...            01/01/70 00:00      
         connector issue            01/01/70 00:00      
         The only "issue" is their connector            01/01/70 00:00      
            as opposed to MMC, which uses the same connector            01/01/70 00:00      
   Found it - "iNand"!            01/01/70 00:00      
      how does its cost compare            01/01/70 00:00      
         Dunno            01/01/70 00:00      

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