Hitachi HDS725050KLA360 - DC Power Requirements; Input Voltage and Current Specifications

Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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6.8.3 Host Terminating Read DMA
Table 29: Ultra DMA cycle timing chart (Host terminating Read)
Table 30: Ultra DMA cycle timings (Host terminating Read)
PARAMETER DESCRIPTION
(all values in ns)
MODE 0MODE 1MODE 2MODE 3MODE 4MODE 5MODE 6
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
tRFS HDMARDY- to final DSTROBE time –75–70–60–60–60–50--50
tRP Ready to pause time 160 – 125 – 100 – 100 – 100 – 85 – 85 --
tLI Limited interlock time 0 150 0 150 0 150 0 100 0 100 0 75 0 60
tAZ Maximum time allowed for output driv-
ers to release
–10–10–10–10–10–10--10
tZAH Minimum delay time required for out-
put
20–20–20–20–20–20–20--
tMLI Interlock time with minimum 20–20–20–20–20–20–20--
tCS CRC word setup time at device 15 – 10 – 7 – 7 – 5 – 5 – 5 --
tCH CRC word hold time at device 5 – 5 – 5 – 5 – 5 – 5 – 5 --
tACK Hold time for DMACK- 20–20–20–20–20–20–20--
tIORDYZ Maximum time before releasing
IORDY
–20–20–20–20–20–20--20
DSTROBE
HDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:0)
tZAH
xxxxxxxxxxxxxxxxxx
xxx
Device drives DD
Host drives DD
tCH
tCS
CRC
tACK
tACK
tRFS
tLI tIORDYZ
xxx RD Data xxxxxxxxxxx
tAZ
tLI