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Old 08-23-2010, 11:26 AM   #1
VirtualLarry's Avatar
Join Date: Aug 2001
Posts: 27,843
Default Intel 25nm flash is 3LC???

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Old 08-23-2010, 11:41 AM   #2
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Location: 台北市
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Originally Posted by VirtualLarry View Post
Intel 25nm flash is 3LC???
Intel 25nm is MLC, has been for a while now.

All they announced today is that they are sampling TLC chips produced on the same process node and are working with integrators to create products based on them.
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Old 08-23-2010, 01:26 PM   #3
Mark R
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Intel is releasing a 25 nm 3BPC flash - this is designed for minimum price and maximum capacity for bottom-end storage. E.g. things like USB keys, memory cards for MP3 players, PDAs, etc.

This bottom tier storage market is driven by price - and very low performance (5 MB/s) and very low endurance (100-1000 cycles) don't matter for these types of application.

For higher-end storage, Intel also has a conventional 2BPC flash which is intended for consumer-level SSDs and for high-end memory cards. The performance is better, cycle life time is higher and the data integrity is higher.

For top-end storage, they also have 25 nm enterprise-grade 2BPC flash, with enhanced durability (estimated 30k cycles), slightly better bit-error rate and improved performance. This is intended for enterprise level SSDs.

P.S. I really wish people wouldn't use abbreviations like 3LC or TLC. I know they are used in industry - but they are gibberish. Conventional 2BPC MLC has 3 levels and can accurately be described as 3LC - so you can see the immense confusion. It's worse because 3BPC has 7 level cells, and there's no way to sensibly get the abbreviation 3LC (or TLC) from 3BPC. Maybe 3MLC may be a better abbreviation.
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