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LSI, Seagate co-develop 65nm HDDs with LDPC

Posted: 02 Jul 2010 ?? ?Print Version ?Bookmark and Share

Keywords:HDD? 65nm process? LDPC read channel?

LSI Corp. and Seagate Technology have co-developed what they claim to be the first HDDs with low-density parity check (LDPC) read channel in 65nm process SoC technology.

The co-development effort combines Seagate LDPC digital back-end read channel and hard drive controller IP with LSI analog front-end read channel and PHY technology. The combined LDPC read channel has been incorporated into high-capacity SoC solutions that enable new levels of performance and storage capacity for leading-edge Seagate HDDs.

"The long-standing relationship between Seagate and LSI has delivered innovative, best-in-class solutions over many technology generations," said Cecil Macgregor, VP of VLSI development, Seagate. "We continue this trend with the delivery of innovative HDDs based on the industry's first 65nm SoC utilizing LDPC read channel technology."

"Enabling faster, higher-capacity disk drives that consume less power is essential to end users, server and storage providers and HDD manufacturers," said Phil Brace, senior VP and general manager, storage peripherals division, LSI. "Together, LSI and Seagate are driving areal density improvements and raising the bar for HDD capacity and performance."

Leveraging LSI custom integration expertise, the SoCs will include LSI TrueStore RC8000 and PHY8000 series technology with the Seagate LDPC read channel, hard disk controller IP and firmware, as well as an integrated ARM Cortex-R4 processor from LSI. The TrueStore PHY series provides Seagate with integrated interface solutions for HDD SoC designs that are compatible with 6Gbit/s SAS, 6Gbit/s serial ATA and 4.25Gbit/s Fibre Channel protocols.

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