Hitachi HDS725050KLA360 - PIO Timings; Write DRQ Interval Time; Table 22. PIO Cycle Timings Chart

Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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6.6 PIO timings
The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
Table 22: PIO cycle timings chart
6.6.1 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.
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
IOCS16-(*)
t9
t0
t2
t2i
t3 t4
t5
t8(*)
t7(*)
t1
tB
Read data
DD(15:0)
DIOR-,
DIOW-
CS(1:0)-
DA(2:0)
Write data
DD(15:0)
IORDY
(*) Up to ATA-2 (mode-0,1,2)
t6z
tRD
tA
t6