IBM IC35L020 - Deskstar 20 GB Hard Drive - Figure 33. Ultra DMA Cycle Timings-Device Terminating Write

9.1.7.7 Device Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD00–DD15
xxxxxxxxxxxxxxxxxxxxxxxxxx
Host drives DD
tCHtCS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx
WT Data
xxxxxxxxxx
(all values are in ns)
20–20–20–20–20–20–
Pull-up time before HSTROBE
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
–5–5–7–7–10–15
CRC word setup time (at
device side)
tCS
–20–20–20–20–20–20Interlocking timetMLI
75010001000150015001500Limited interlock timetLI
–85–100–100–100–125–160Ready to pause timetRP
50–60–60–60–70–75–Ready to final strobe timetRFS
MAXMIN MAXMIN MAXMIN MAXMIN MAXMIN MAXMIN
Parameter descriptions
MODE5MODE4MODE3MODE2MODE1MODE0
Signal
names
Figure 33. Ultra DMA cycle timings—Device terminating Write
Deskstar 60 GXP Hard disk drive specification
38