Samsung PRAM, perfect memory?
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Written by Marc Prieur
So, do we to expect miracle? Not entirely. First of all, data provided by Samsung are extremely limited. Which type of memory does Samsung refers to when the manufacturer speaks of "conventional" flash memory? The NOR or the NAND? The two memories have much different characteristics. The NOR, for example, even if it has many other advantages is very slow for writing because of an excessively long erase time (0.5 to 1s). So, being 30x faster in this case would only place Samsung at a comparable level to the NAND.
Moreover, when Samsung speaks of the life span, is it for the retention which is of 10 years or the read /write cycles endurance which is currently of 100,000? Anyway, by saying that the PRAM will replace NOR and not NAND and NOR, Samsung admits that it isn't really the « perfect RAM ». The PRAM misses the same density as the NAND to reduce the cost per megabytes. The chip announced only has a capacity of 64 MB whereas the NAND now is over 1 GB.
By the way, wasn't the perfect memory supposed to be the la MRAM? (news in French)
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