IBM DJSA-210 - Travelstar 10 GB Hard Drive - Multiword DMA Timings; Figure 37. Multiword DMA Cycle Timings

7.8
Multiword DMA timings
The Multiword DMA timings meet Mode 2 of the ATA-3 description.
WRITE DD(15:0)
READ DD(15:0)
DMACK-
DMARQ
DIOR-/DIOW-
t0
tLR/tLW
tJ
tI
tD
tKR/tKW
tF
tG
tH
tG
tZ
25–DMACK- to read data releasedtZ
35–DIOR- to DMARQ delay / DIOW- to DMARQ delaytLR/tLW
–25DIOR- negated pulse width / DIOW- negated pulse widthtKR/tKW
–5DIOR-/DIOW- to DMACK- holdtJ
–0DMACK- to DIOR-/DIOW- setuptI
–10DIOW- data holdtH
–20DIOR-/DIOW- data setuptG
–5DIOR- data holdtF
50–DIOR- data accesstE
–70DIOR-/DIOW- asserted pulse widthtD
–120Cycle timet0
MAX (ns)MIN (ns)PARAMETER DESCRIPTION
Figure 37. Multiword DMA cycle timings
Travelstar 32GH/30GT/20GN hard disk drive specifications
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