Figure 30. Ultra Dma Cycle Timing Chart (Host Terminating Read); Figure 31. Ultra Dma Cycle Timings (Host Terminating Read); Host Terminating Read Dma - IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive Specifications

7.2.4.3 Host Terminating Read DMA

DMARQ
DMACK-
STOP
HDMARDY-
DSTROBE
DD(15:00)

Figure 30. Ultra DMA cycle timing chart (Host terminating Read)

PARAMETER DESCRIPTION
(all values in ns)
tRFS Ready to final strobe time
tRP Ready to pause time
tLI Limited interlock time
tAZ Output release time
tZAH Output enable time
tMLI Interlocking time
Data setup time (at device
tDS
side)
tDH Data hold time (at device side)
Hold time after –DMACK
tACK
negation
Pull-up time before DSTROBE
tIORDYZ
release

Figure 31. Ultra DMA cycle timings (Host terminating Read)

tRP
tLI
tRFS
xxxxxxxxxxxxxxxxxx
xxx RD Data
Host drives DD
MODE0
MIN MAX
– 75
160 –
0 150
– 10
20 –
20 –
15 –
5 –
20 –
– 20
Deskstar 40GV & 75GXP hard disk drive specifications
tLI
tMLI
tDS
tAZ
xxx
tZAH
MODE1 MODE2
MIN MAX MIN MAX
– 70 – 60
125 – 100 –
0 150 0 150
– 10 – 10
20 – 20 –
20 – 20 –
10 – 7 –
5 – 5 –
20 – 20 –
– 20 – 20
34
tACK
tACK
tIORDYZ
tDH
xxxxxxxxxx
CRC
Device drives
DD
MODE3 MODE4
MIN MAX MIN MAX MIN
– 60 – 60
100 – 100 –
0 100 0 100
– 10 – 10
20 – 20 –
20 – 20 –
7 – 5 –
5 – 5 –
20 – 20 –
– 20 – 20
MODE5
MAX
– 50
85 –
0 75
– 10
20 –
20 –
4.0 –
4.6 –
20 –
– 20