Figure 34. Ultra Dma Cycle Timings-Host Terminating Write - IBM IC35L020 - Deskstar 20 GB Hard Drive Specifications

9.1.7.8 Host Terminating Write DMA
DMARQ
DMACK-
STOP
DDMARDY-
HSTROBE
DD00–DD15
Signal
names Parameter descriptions
Time from strobe to stop
tSS
assertion
tLI Limited interlock time
tMLI Interlock time
CRC word setup time (at device
tCS
side)
CRC word hold time (at device
tCH
side)
Hold time after -DMACK
tACK
negation
Pull-up time before
tIORDYZ
HSTOROBE release
Figure 34. Ultra DMA cycle timings—Host terminating Write
tLI
tSS
tLI
tLI
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MODE0
MIN MAX
50 –
0 150
20 –
15 –
5 –
20 –
– 20
Deskstar 60 GXP Hard disk drive specification
tMLI
tCS
Host drives DD
MODE1 MODE2
MIN MAX MIN MAX MIN
50 – 50 –
0 150 0 150
20 – 20 –
10 – 7 –
5 – 5 –
20 – 20 –
– 20 – 20
(all values are in ns)
39
tACK
tIORDYZ
tACK
tCH
xxxxxxxxxx
CRC
MODE3 MODE4 MODE5
MAX MIN MAX MIN
50 – 50 – 50
0 100 0 100 0
20 – 20 – 20
7 – 5 – 4
5 – 5 – 5
20 – 20 – 20
– 20 – 20 –
MAX
–
75
–
–
–
–
20