Read Drq Interval Time - Hitachi T7K250 - Deskstar - Hard Drive Specifications

6.8.2 Read DRQ interval time

For read sectors and read multiple operations the interval from the end of negation of the DRQ bit until setting of
the next DRQ bit is as follows:
• In the event that a host reads the status register only before the sector or block transfer DRQ interval, the
DRQ interval 4.2 µs
• In the event that a host reads the status register after or both before and after the sector or block transfer, the
DRQ interval is 11.5 µs
Deskstar T7K250 Hard Disk Drive Specification
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