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FDSOI Carries on Despite ST Re-org, Says COO

1/28/2016 05:00 AM EST
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resistion
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Re: PCM availability
resistion   2/3/2016 9:52:44 PM
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Micron or Numonyx tried to have PCM replace NOR but it didn't work out. It used BiCMOS. Will they try again with FDSOI, it's doubtful with added thermal concerns.

resistion
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Re: PCM availability
resistion   2/3/2016 9:40:28 PM
Read disturb is the bane of STT-MRAM. http://www.pitt.edu/~yol26/mypub/tvlsi-15-zhang.pdf

ip2design
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Re: PCM availability
ip2design   2/2/2016 1:31:23 PM
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The holly grail is supposed to be planar or perpendiculat STT-MRAM. But despite a strong R&D effort in many companies, there is still no product on the market.

elizabethsimon
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Re: PCM availability
elizabethsimon   2/1/2016 4:04:15 PM
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There is a third contingent:

Those of us who see that the endurance and retention of NOR flash decreases every time the vendor goes to a smaller process node who really want to see something that can give us the endurance and/or retention that we used to have.

I'm not convinced that PCM is what we're looking for but it's telling that the NOR Flash vendors now have to hide their "guaranteed performance" specs on these parameters. Those of us who sell to the power industry have customers who expect to use the product for 20+ years and don't want the firmware to get garbled because some bits flipped.

 

AKH0
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Re: PCM availability
AKH0   2/1/2016 2:51:10 PM
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I can see two mindsets behind alternative memories: 1. Those that think conventional flash does not work in a high-k CMOS or FDSOI technology and thus seek alternatives in "technology agnostic" alternatives; and 2) those that have the perception that alternative memories are lower power. I don't think either is a convincing to why embedded flash should be ignored.

ip2design
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PCM availability
ip2design   2/1/2016 5:27:07 AM
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There is still a strong doubt about PCM technology readiness. It should be on the market for a couple of years and there is still no alternative to Nor-flash. Let's see if ST will do it in the coming months.

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