New read channels increase data storage capacity and cut energy usage for computer HDDs
The LSI TrueStore(R) RC2500 for notebook and RC8800 for desktop applications are the industry's first available 65-nm read channels to use iterative decoding. Iterative decoding is the next generation of recording channel architecture that enables significant improvements in signal-to-noise ratio (SNR) for next generation of HDDs utilizing perpendicular recording technology. This gain in SNR increases the amount of data that an HDD can store.
The TrueStore RC2500 and RC8800 utilize similar firmware to maximize code reuse and integration and to leverage the industry-leading power consumption technologies across notebook and desktop volume applications. Low power consumption, especially in standby mode, is critical to battery life in notebooks and to higher reliability for desktop and digital video recorder applications. In addition, LSI has developed a new generation of test tools and techniques designed to deliver higher quality and improved reliability.
Ruediger Stroh, executive vice president and general manager of the LSI Storage Peripherals group, said, "The TrueStore RC2500 and RC8800 raise the bar in the industry for read channel performance by increasing storage capacity and reducing power consumption. These new read channels have been developed as part of the LSI total recording system design that includes a new 65-nm PHY, preamps, ARM(R) cores, hard disk controller IP. The system is designed as a whole to give HDD makers faster time to market, higher reliability, increased performance and lower overall power usage. No other company can offer the breadth of high performance storage IC products and storage systems that LSI delivers."
These two new innovative designs are built to be fully functional first silicon for high speed integration into Systems-on-a-Chip (SoCs) in 2007. LSI expects disk drive makers to begin shipping the new read channels in volume during the second half of 2008.
"Hard disk drive OEMs are hungry to increase the capacity per-platter of disk drives, but they have little appetite for power consumption," according to John Rydning, IDC's research manager for hard disk drives. "Solutions like the new LSI read channel technology that enable more hard disk drive storage capacity using less power will provide benefits for HDDs designed for both portable devices and datacenter applications."
A read channel encodes and decodes data and ensures the accuracy of all data read from or written to a, HDD. Read channels act as the linchpin of custom storage SoCs, which combine multiple functions, including hard disk controller, serial interface, processor, and memory on a single chip.
HDD manufacturers rely on LSI to deliver storage solutions that respond to a rapidly changing market while consistently establishing the industry leading standards in technology.
LSI Corporation (NYSE: LSI) is a leading provider of innovative silicon, systems and software technologies that enable products which seamlessly bring people, information and digital content together. The company offers a broad portfolio of capabilities and services including custom and standard product ICs, adapters, systems and software that are trusted by the world's best known brands to power leading solutions in the Storage, Networking and Consumer markets. More information is available at http://www.lsi.com.
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