Hitachi IC25N010ATCS04, Specifications

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7.9.3 Host Terminating Read DMA
DSTROBE
HDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:0)
tZAH
xxxxxxxxxxxxxxxxxx
xxx
Device drives DD
Host drives DD
tDH
tDS
CRC
tACK
tACK
tRFS
tLI tIORDYZ
xxx RD Data xxxxxxxxxxx
tAZ
tLI
20 – 20 – 20 – 20 – 20 – 20 –
Maximum time before releasing
IORDY tIORDYZ
– 20 – 20 – 20 – 20 – 20 – 20 Hold time for DMACK- tACK
– 4.6 – 5 – 5 – 5 – 5 – 5 CRC word hold time at device tDH
– 4 – 5 – 7 – 7 – 10 – 15 CRC word setup time at device tDS
– 20 – 20 – 20 – 20 – 20 – 20 Interlock 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
(ns)
MIN
(ns) MAX
(ns)
MIN
(ns) MAX
(ns)
MIN
(ns) MAX
(ns)
MIN
(ns) MAX
(ns)
MIN
(ns) MAX
(ns)
MIN
(ns)
MODE 5 MODE 4 MODE 3 MODE 2 MODE 1 MODE 0
PARAMETER DESCRIPTION
Figure 42. Ultra DMA cycle timings (Host Terminating Read)
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
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