Hitachi HDS725050KLA360 - Host Terminating Write DMA; Table 39. Ultra DMA Cycle Timing Chart (Host Terminating Write); Table 40. Ultra DMA Cycle Timings (Host Terminating Write)

Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
42
6.8.8 Host Terminating Write DMA
Table 39: Ultra DMA cycle timing chart (Host Terminating Write)
Table 40: Ultra DMA cycle timings (Host Terminating Write)
PARAMETER
DESCRIPTION
(all values in ns)
MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
tSS Time from HSTROBE edge to asser-
tion of STOP
50–50–50–50–50–50–50--
tLI Limited interlock time 015001500150010001000 75 0 60
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
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
DD(15:0)
Host drives DD
tCH
tCS
CRC
tSS
tACK
tACK
tLI
tIORDYZ
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tLI
tLI