IBM IC35L040AVVN07-0 - 40GB IDE Deskstar 120GXP 7200RPM UATA-100..., Технические характеристики

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6.2.4.3 Host Terminating Read DMA
DSTROBE
HDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:00)
tZAH
xxxxxxxxxxxxxxxxxx xxx
Device drives DD
Host drives DD
tCH tCS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx
RD Data
xxxxxxxxxx
tAZ
Figure 31. Ultra DMA cycle timing chart (Host terminating Read)
20 – 20 – 20 – 20 – 20 – 20 –
Maximum time before
releasing IORDY
tIORDYZ
– 20 – 20 – 20 – 20 – 20 – 20 Hold time for DMACK – 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 – 20
Interlocking time with
minimum
tMLI
– 20 – 20 – 20 – 20 – 20 – 20
Minimum delay time required
for output
tZAH
10 – 10 – 10 – 10 – 10 – 10 –
Maximum time allowed for
output drivers to release
tAZ
75 0 100 0 100 0 150 0 150 0 150 0 Limited interlock time tLI
– 85 – 100 – 100 – 100 – 125 – 160 Ready to pause time tRP
50 – 60 – 60 – 60 – 70 – 75 –
HDMARDY– to final
DSTROBE time
tRFS
MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
MODE5 MODE4 MODE3 MODE2 MODE1 MODE0
PARAMETER DESCRIPTION
(all values in ns)
Figure 32. Ultra DMA cycle timings (Host terminating Read)
Deskstar 120GXP hard disk drive specifications
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