IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive, Specifications

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7.9.8 Host Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
DD(15:0)
Host drives DD
tDH
tDS
CRC
tSS
tACK
tACK
tLI
tIORDYZ
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xxxxxxxxxx
tLI
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
75 0 100 0 100 0 150 0 150 0 150 0 Limited interlock time tLI
– 50 – 50 – 50 – 50 – 50 – 50
Time from HSTROBE edge to
assertion of STOP
tSS
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 47. Ultra DMA cycle timings (Host Terminating Write)
Travelstar 60GH & 40GN hard disk drive specifications
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