Intel to Sample Flash-killer PRAM This Year
Station writes "Intel's new phase-change memory technology (PRAM) will begin sampling this year. Samsung, IBM, and Hitachi are all working on phase-change memory as a successor to flash as it has a lower (~20ns) read latency than flash (50-90ns). 'Intel says they plan to ship the first PRAM modules as a straight-ahead NOR flash replacement so that they can work the kinks out of the design before trying to move it up the memory hierarchy. The company claims a much higher number of read-write cycles (100 million) than flash, as well as a potential 10 years' worth of data retention. NOR flash is typically used as program storage memory for mobile devices like cell phones, while more durable but slower NAND flash is used for mass storage in devices like the iPod nano.'"
Killer Pram? Won't somebody think of the children!!
one of the later steps in fixing technical glitches in mac systems is to zap the pram..
.. one fixes your computer, the other breaks your flash device..
imagine the confusion between 2 friends when one says "i zapped my pram"
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In the UK, "pram" means a baby stroller.
Will it be cheaper per megabyte than current NOR flash?
Will it mean that devices like mobile phones (or devices like the Lego Mindstorms which also stores programs/data on NOR flash) can have more memory space in them?
speed or latency.. (and what about heat exchange issues?)
even with considerably slow throughput though.. it might be have useful applications in storage media..
i'd love to replace a set of hot spinning platters with a tiny cartridge about the size of a gamecube memory card.
VLC FOR MAC IS DYING! IF YOU DEVELOP, PLEASE SAVE IT!!
Do they like to push it a lot?
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3D stacking is so yesterday. I want RAM that's stacked in 4D, so I can get tomorrow's lottery numbers today.
Saying your "phone ran out of batteries" is like saying your "car ran out of gas tanks".
Generally speaking, cost will be similar to NOR flash, if volume manufacturing picks up, and especially if Intel, Samsung, and other biggies get into the act. The key questions to ask are reliability/life of data and speed (and power consumption, if it is drastically different). From Intel's claims, reliability (or longevity) of data looks amazing for PRAM, but speed is still an unanswered question... both read and write speeds.
My other lay question is how Intel and others are managing this chalc* glass manufacturing in their usual silicon DRAM process. Is this glass fused/bonded to silicon or something?
If their designs are pin compatible, good luck not not replacing it.
Let's see faster, more durable, *and* drop in compatible? Short of insane license requirements I can't see it being a no sale.
Tom
Someday, I'll have a real sig.
So were 5.25", 3.5" floppies, zip disks, cd-rw, dvd-rw etc. If the cost is right and the benefits are great enough it will be adopted. If they package it in similar formats to that flash currently uses (eg. usb sticks, sd cards) for portable storage, and stick a SATA interface on it for internal (or even bulk external) storage, it will be adopted without most people noticing it's something new.
Never liked flash anyway
what ? you say it's memory?
OH, nevermind