Hitachi HTS542525K9SA00 - Device Terminating Write DMA; Table 30: Ultra DMA Cycle Timing Chart (Device Terminating Write); Table 31: Ultra DMA Cycle Timings (Device Terminatingwrite)

Deskstar 7K160 Hard Disk Drive Specification
38
6.9.7 Device Terminating Write DMA
Table 30: Ultra DMA cycle timing chart (Device Terminating Write)
Table 31: Ultra DMA cycle timings (Device TerminatingWrite)
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
tRFS DDMARDY- to final
HSTROBE 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
tMLI Interlocking 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-
negation
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
tRP
DD(15:0)
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Host drives DD
tCH
tCS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx WT Data xxxxxxxxxx