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| How many flash chips are in a 32GByte SD card? http://forum.hddguru.com/viewtopic.php?f=10&t=25887 |
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| Author: | rrr12 [ April 30th, 2013, 13:51 ] |
| Post subject: | How many flash chips are in a 32GByte SD card? |
My understanding is that the largest flash chips available are 256Mbit (32MByte). To build a 32GByte sd card would require 1000 32MByte flash chips. I must be missing somwthing.....no way there are 1000 flash chips in that little package  Can someone set me straight? thanks! |
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| Author: | lcoughey [ April 30th, 2013, 14:01 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
1 or 2, usually. |
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| Author: | fzabkar [ April 30th, 2013, 15:36 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
Micron has 128Gbit and 256Gbit NAND Flash chips: http://cse325.floorsoup.com/refdocs/hw_ ... _flash.pdf |
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| Author: | rrr12 [ April 30th, 2013, 15:43 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
Thanks! That explains it. |
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| Author: | Cleanroom [ May 1st, 2013, 8:57 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
most likely it is a Monolith chip |
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| Author: | lcoughey [ May 1st, 2013, 9:02 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
Cleanroom wrote: most likely it is a Monolith chip Party pooper! |
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| Author: | pcimage [ May 1st, 2013, 12:46 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
Cleanroom wrote: most likely it is a Monolith chip From the spec sheet .. Package – 52-pad LGA – 48-pin TSOP – 100-ball BGA – 132-ball BGA |
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| Author: | Cleanroom [ May 6th, 2013, 12:31 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
pcimage wrote: Cleanroom wrote: most likely it is a Monolith chip From the spec sheet .. Package – 52-pad LGA – 48-pin TSOP – 100-ball BGA – 132-ball BGA Had to go and get technical to prove me wrong 
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| Author: | pcimage [ May 6th, 2013, 14:38 ] |
| Post subject: | Re: How many flash chips are in a 32GByte SD card? |
Cleanroom wrote: pcimage wrote: Cleanroom wrote: most likely it is a Monolith chip From the spec sheet .. Package – 52-pad LGA – 48-pin TSOP – 100-ball BGA – 132-ball BGA Had to go and get technical to prove me wrong Ha ha
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