Electronics > Projects, Designs, and Technical Stuff

Large flash chips are obtainable?

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TomS_:

--- Quote from: ali_asadzadeh on August 19, 2020, 07:00:50 am ---My Idea needs a serial Flash chip ^-^ the problem is that I could not find large ones, even with Big prices to pay.

--- End quote ---

Implement the required interface in an FPGA?

mzzj:

--- Quote from: ali_asadzadeh on August 18, 2020, 01:23:24 pm ---why do you think they made a small profit!?
https://en.wikipedia.org/wiki/Micron_Technology

This one is poor too :'( :o
https://en.wikipedia.org/wiki/SK_Hynix

we should help them, please buy from them or they would go bankrupt >:D

Their small  and tiny Operating income was about US$5.87 billion (2017) and US$18.34 billion (2018), we should probably help them be able to keep their business :-DD

--- End quote ---
Can't be that hard to compete with them. building a 300 mm fab is maybe 5 to 10 billion US$ investment, all you need couple of coins more.  :scared:

Alex Eisenhut:

--- Quote from: mzzj on August 19, 2020, 11:32:25 am ---
--- Quote from: ali_asadzadeh on August 18, 2020, 01:23:24 pm ---why do you think they made a small profit!?
https://en.wikipedia.org/wiki/Micron_Technology

This one is poor too :'( :o
https://en.wikipedia.org/wiki/SK_Hynix

we should help them, please buy from them or they would go bankrupt >:D

Their small  and tiny Operating income was about US$5.87 billion (2017) and US$18.34 billion (2018), we should probably help them be able to keep their business :-DD

--- End quote ---
Can't be that hard to compete with them. building a 300 mm fab is maybe 5 to 10 billion US$ investment, all you need couple of coins more.  :scared:

--- End quote ---

Let me look under my couch, there's always a few coins there. I also haven't returned deposit bottles in a while.

free_electron:
and how do you want to control those ? you are going to need a flash controller that can do the command queueing and wear leveling. That's not chicken shit to design ! and then there is the cache required.

coppice:

--- Quote from: free_electron on August 19, 2020, 11:57:24 am ---and how do you want to control those ? you are going to need a flash controller that can do the command queueing and wear leveling. That's not chicken shit to design ! and then there is the cache required.

--- End quote ---
So, how are you going to implement things like wear levelling without a custom controller chip to do it for you? That is going to involve a LOT more work. Remember that most modern high density flash can't hold data unless its powered up from time to time to allow that complex controller chip to do its work.

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