Hitachi Deskstar 7K160, Specifications, Page: 44 / 298

Deskstar 7K160 Hard Disk Drive Specification
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6.7 PIO timings
The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
Table 17: PIO cycle timings chart
6.7.1 Write DRQ interval time
For write sectors and write multiple operations 3.8 ms is inserted from the end of negation of the DRQ bit until set-
ting of the next DRQ bit.
6.7.2 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:
PARAMETER DESCRIPTION MIN (ns) MAX (ns)
t0 Cycle time 120 –
t1 Address valid to DIOR-/DIOW- setup 25 –
t2 DIOR-/DIOW- pulse width 70 –
t2i DIOR-/DIOW- recovery time 25 –
t3 DIOW- data setup 20 –
t4 DIOW- data hold 10 –
t5 DIOR- data setup 20 –
t6 DIOR- data hold 5 –
t9 DIOR-/DIOW- to address valid hold 10 –
tA IORDY setup width – 35
tB IORDY pulse width – 1250