IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive - 7.9.8 Host Terminating Write DMA

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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tLI
tLI
20–20–20–20–20–20–
Maximum time before releasing
IORDY
tIORDYZ
–20–20–20–20–20–20Hold time for DMACK-tACK
–4.6–5–5–5–5–5CRC word hold time at devicetDH
–4–5–7–7–10–15CRC word setup time at devicetDS
–20–20–20–20–20–20Interlock time with minimumtMLI
75010001000150015001500Limited interlock timetLI
–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 5MODE 4MODE 3MODE 2MODE 1MODE 0
PARAMETER DESCRIPTION
Figure 47. Ultra DMA cycle timings (Host Terminating Write)
Travelstar 60GH & 40GN hard disk drive specifications
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