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NOR flash memory optimised for 'instant-on' apps

Posted: 27 Oct 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Micron Technology? NOR flash? memory?

Micron Technology Inc. has released what it describes as a faster NOR flash solution geared to transform the way the electronics industry develops systems to meet the demand for "instant-on" performance and fast system responsiveness in automotive, industrial and consumer applications. The XTRMFlash memory uses the company's low pin count interface that uses as little as 11 active signals, and claims to reduce pin counts by as much as 75 per cent from those found in parallel NOR flash available in the market, added the company.

Micron fully intends for XTRMFlash memory and the interface to become widely adopted open standards, and as a testament to that effort and the XTRMFlash memory value proposition, flash memory provider Winbond Electronics has signed a license agreement to develop XTRMFlash-compatible solutions.

Serial Peripheral Interface (SPI) NOR flash is used in a wide array of applications for boot code, programme code and data storage. Micron recognised the need for XTRMFlash memory to maintain backward compatibility to SPI NOR flash so that customers can upgrade their designs with relative ease. However, with random access times as fast as 83ns and sequential byte reads as fast as 2.5ns, XTRMFlash memory offers dramatically better performance compared to traditional SPI and Quad-SPI NOR flash, Micron stated.

Sustained read throughputs of 400MB/s enables an entire 1Gb XTRMFlash device to be read in a mere 0.3s. With XTRMFlash memory's direct execute-in-place (XIP) operation and low pin count interface, valuable board space can be saved and the need for code shadowing can be eliminated.

In order to simplify system design and speed time-to-market, Micron has engaged with IP vendors Cadence Design Systems and Synopsis. Both companies have committed to support the high-performance and low pin count XTRMFlash interface as part of their controller IP portfolio. Micron's XTRMFlash product family promises to offer a number of voltage, package and density options in both industrial and automotive temperature grades. XTRMFlash memory densities range from 128Mb to 2Gb, and initial samples are available.

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