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

9.1.7.8 Host Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tLI
DD00–DD15
Host drives DD
tCHtCS
CRC
tSS
tACK
tACK
tLI
tIORDYZ
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tLI
(all values are in ns)
20–20–20–20–20–20–
Pull-up time before
HSTOROBE release
tIORDYZ
–20–20–20–20–20–20
Hold time after -DMACK
negation
tACK
–5–5–5–5–5–5
CRC word hold time (at device
side)
tCH
–4–5–7–7–10–15
CRC word setup time (at device
side)
tCS
–20–20–20–20–20–20Interlock timetMLI
75010001000150015001500Limited interlock timetLI
–50–50–50–50–50–50
Time from strobe to stop
assertion
tSS
MAXMIN MAXMIN MAXMIN MAXMIN MAXMIN MAXMIN
Parameter descriptions
MODE5MODE4MODE3MODE2MODE1MODE0
Signal
names
Figure 34. Ultra DMA cycle timings—Host terminating Write
Deskstar 60 GXP Hard disk drive specification
39