Print 20 comment(s) - last by Oregonian2.. on Apr 19 at 3:29 PM

Fujitsu's Ferroelectric RAM hits 2 MBit

Fujitsu today announced the availability of its 2 Mbit Ferroelectric RAM (FRAM or FeRAM) memory chips, which the company claims is the largest capacity FRAM in volume production in the world. The memory product have the same electrical characteristics and use the same TSOP-48 package as Fujitsu's 1 Mbit FRAM products, equating to double the capacity over previous chips. Sampling price of the chips is set at 2,000 Yen ($16.91 USD).

FRAM is a non-volatile memory that uses a ferroelectric film as the capacitor for data retention and betters flash-based RAM with faster data writing, lower power consumption and higher number of write cycles.

Fujitsu says that FRAM could be used in office equipment to store event counts, or store various parameters and log at every event, without concern for the number of write cycles.  FRAM allows 10 billion read/write cycles, which corresponds to writing 30 times a second continuously for 10 years. Also, FRAM can store data for more than 10 years without a battery.

Other ideal uses of FRAM could be in car navigation systems, multi-function printers, measuring instruments – anywhere non-volatile memory is being used to store various parameters, record operating conditions of equipment or security information.

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RE: Bit?
By UltimateDeath on 4/18/2007 5:07:10 PM , Rating: 2
I guess i stand corrected :p, though i'm sure omseone must've made up nibbles for a joke...

RE: Bit?
By Fritzr on 4/18/2007 8:58:08 PM , Rating: 2
Nope nibble isn't a joke ... the 4004 was a 4bit CPU so it actually used the nibble :)

Word has a double usage. As a data size it is 16 bits. As a description of system memory usage it is whatever the system reads as a single memory request. Usually the latter is given as "word size". Now called "memory width" Some of the minis used 12 bit words :)

Longword or Double is 32 bits
Quadword is 64 bits
Octaword is 128 bits

RE: Bit?
By Oregonian2 on 4/19/2007 3:29:21 PM , Rating: 2
Trivia: it's more properly spelt "nybble" .

Used to use it more back in the olden days although
not really that much even then (I've been designing
HW systems with microprocessors in them since the
early 70's).

“And I don't know why [Apple is] acting like it’s superior. I don't even get it. What are they trying to say?” -- Bill Gates on the Mac ads

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