4DS 2.35% 8.7¢ 4ds memory limited

Ann: Placement for $5.5 Million Completed, page-348

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  1. 1,108 Posts.
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    What would the IP of a mbit chip with the following performance characteristics be worth to a memory maker (who then faced an additional 2 years development / costs from the mbit chip to a commercial product).

    The chip performance I hope for is:
    - Yield of > 97% or as per DRAM
    - Speed 2X faster than DRAM (i.e. we were comparable to DRAM before, and now we are stated to be up to an order of magnitude faster. I also note in the recent interview Wilbert stated we are aiming to replace and augment DRAM, which wouldn’t happen unless we are at least 2-3X faster than DRAM, due to the time / cost / risk involved.)
    - Memory cell size of 10 nm (speculation of 2-3nm as this may be the lowest cell size supported at imec, but even 5nm is known and more probable.)
    - Retention of 2 days (i.e. 48 hours, as per Wilbert interview)
    - Power saving of 10^3 less than DRAM (in the 2017 Sydney presentation, we were told its 1 million times less power, but the switching current has since been increased so assuming 10^3)
    - Endurance of 10^10 cycles (i.e. giving a useful life of 19 years if cycled every 60 milliseconds as per currently with DRAM. The last pronounced endurance is only 10^9 – but I am hoping it is now 10^10 with the new terminals. This is critical, as 10^9 is 1.9 years of life only which is too soon to replace memory in data centers, and probably why even a small decrease in endurance becomes a material announcement.)

    I think it should still be in the $ per share range.
 
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