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How many flash chips are in a 32GByte SD card?

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rrr12

Post subject: How many flash chips are in a 32GByte SD card?

Posted: April 30th, 2013, 13:51

Joined: April 30th, 2013, 13:42
Posts: 2
Location: sacramento usa

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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lcoughey

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: April 30th, 2013, 14:01

Joined: February 9th, 2009, 16:13
Posts: 2513
Location: Ontario, Canada

1 or 2, usually.

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fzabkar

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: April 30th, 2013, 15:36

Joined: September 8th, 2009, 18:21
Posts: 14945
Location: Australia

Micron has 128Gbit and 256Gbit NAND Flash chips:
http://cse325.floorsoup.com/refdocs/hw_ ... _flash.pdf

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rrr12

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: April 30th, 2013, 15:43

Joined: April 30th, 2013, 13:42
Posts: 2
Location: sacramento usa

Thanks! That explains it.

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Cleanroom

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: May 1st, 2013, 8:57

Joined: June 23rd, 2008, 11:26
Posts: 501
Location: Austin, TX

most likely it is a Monolith chip

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lcoughey

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: May 1st, 2013, 9:02

Joined: February 9th, 2009, 16:13
Posts: 2513
Location: Ontario, Canada

Cleanroom wrote:

most likely it is a Monolith chip

Party pooper!

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Recovery Force Data Recovery

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pcimage

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: May 1st, 2013, 12:46

Joined: November 29th, 2006, 10:08
Posts: 7855
Location: UK

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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Cleanroom

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: May 6th, 2013, 12:31

Joined: June 23rd, 2008, 11:26
Posts: 501
Location: Austin, TX

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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pcimage

Post subject: Re: How many flash chips are in a 32GByte SD card?

Posted: May 6th, 2013, 14:38

Joined: November 29th, 2006, 10:08
Posts: 7855
Location: UK

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

_________________
PC Image Data Recovery
http://www.pcimage.co.uk

New!! HDD-PCB.COM for all your PCB and donor HDD requirements!

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