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The Future of NOR flash memory

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JanineLove
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re: The Future of NOR flash memory
JanineLove   5/2/2011 12:45:45 PM
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Spansion will be presenting a version of this paper this week at ESC. If you have any questions for the author, feel free to post a comment below.

resistion
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re: The Future of NOR flash memory
resistion   5/2/2011 3:26:51 PM
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Good to see an assertion of NOR applications. But is the market size large enough to drive any significant usage changes?

cdhmanning
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re: The Future of NOR flash memory
cdhmanning   5/2/2011 7:02:02 PM
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Read, read, read... No mention of write. Has NOR write time improved or is it as bad as it always has been?

nosubject
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re: The Future of NOR flash memory
nosubject   5/2/2011 8:29:44 PM
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In the last comparison, 100MHz NOR bus rate (16b bus) 50MHz NAND bus rate (8b bus) Why don't use the same freq and bus width to do comparison?

tb1
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re: The Future of NOR flash memory
tb1   5/2/2011 11:05:06 PM
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NAND parts typically don't come with a 16 bit bus and their bus rate is typically slower than the NOR parts. So the comparison seems to take these differences into account.

hank.carey
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re: The Future of NOR flash memory
hank.carey   5/3/2011 5:21:17 PM
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Posted article was truncated. From the concluding sentence: "...pin count interfaces, long product life cycles and superior..."

JanineLove
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re: The Future of NOR flash memory
JanineLove   5/3/2011 5:34:16 PM
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Fixed! Thanks for letting me know.

Cliff.Zitlaw
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re: The Future of NOR flash memory
Cliff.Zitlaw   5/3/2011 5:59:01 PM
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One significant NOR usage change is the continuing proliferation of high density SPI. As a NVM product catagory, NOR revenue is more than adequate to fund next generation process development and new product catagories.

Cliff.Zitlaw
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re: The Future of NOR flash memory
Cliff.Zitlaw   5/3/2011 6:03:24 PM
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I tried to use a typical usage case scenarios. As tb1 mentions x16 NAND is getting hard to find and commands a significant price premium. Note that even if the NAND transfer time were eliminated altogether the NOR:NAND comparision would be 50:1.

Cliff.Zitlaw
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re: The Future of NOR flash memory
Cliff.Zitlaw   5/3/2011 6:12:51 PM
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We have made significant improvements in programming performance. Spansion's GL-S product family programs at 1.2MB/s compared to the previous generation GL-P programming rate of 130KB/s.

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