IBM IC25N040ATCS04 - Travelstar 40 GB Hard Drive - 7.9.7 Device Terminating Write DMA

7.9.7 Device Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:0)
xxxxxxxxxxxxxxxxxxxxxxxxxx
Host drives DD
tDH
tDS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx WT Data xxxxxxxxxx
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
–20–20–20–20–20–20Interlocking time with minimumtMLI
75010001000150015001500Limited interlock timetLI
–85–100–100–100–125–160Ready to pause timetRP
50–60–60–60–70–75–
DDMARDY- to final HSTROBE
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 5MODE 4MODE 3MODE 2MODE 1MODE 0
PARAMETER DESCRIPTION
Figure 46. Ultra DMA cycle timings (Device Terminating Write)
Travelstar 60GH & 40GN hard disk drive specifications
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