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Architecture for data storage systems

  • US 8,706,926 B2
  • Filed: 10/15/2009
  • Issued: 04/22/2014
  • Est. Priority Date: 10/15/2008
  • Status: Active Grant
First Claim
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1. A hard disk controller (HDC) of a hard disk drive (HDD), the HDC comprising:

  • an encoder module configured toencode data received from a host, andgenerate P units of encoded data, where P is an integer greater than 1;

    a buffer FIFO module configured toreceive the P units from the encoder module, andoutput the P units;

    a buffer manager module configured toreceive the P units from the buffer FIFO module,store the P units in a buffer,retrieve N of the P units from the buffer, andoutput the N units in parallel, where N is an integer greater than 1;

    N first-in first-out (FIFO) modules configured to respectively receive the N units in parallel directly from the buffer manager; and

    N read channel modules configured toreceive the N units from the N FIFO modules in parallel, respectively, and output the N units to a magnetic medium of the HDD.

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