Figure 32. Ultra Dma Cycle Timing Chart (Device Terminating Read); Figure 33. Ultra Dma Cycle Timings (Device Terminating Read); Device Terminating Read Dma - IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive Specifications

7.2.4.4 Device Terminating Read DMA

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

Figure 32. Ultra DMA cycle timing chart (Device terminating Read)

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

Figure 33. Ultra DMA cycle timings (Device Terminating Read)

tSS
tLI
tLI
tLI
tAZ
xxxxx
Tzah
MODE0
MIN MAX
50 –
0 150
– 10
20 –
20 –
15 –
5 –
20 –
– 20
Deskstar 40GV & 75GXP hard disk drive specifications
tMLI
tDS
xxxxxxxxxxxxxxxxxx
Device drives
DD
MODE1 MODE2
MIN MAX MIN MAX MIN
50 – 50 –
0 150 0 150
– 10 – 10
20 – 20 –
20 – 20 –
10 – 7 –
5 – 5 –
20 – 20 –
– 20 – 20
35
tACK
tACK
tIORDYZ
tDH
xxxxxxxxxx
CRC
MODE3 MODE4 MODE5
MAX MIN MAX MIN
50 – 50 – 50
0 100 0 100 0
– 10 – 10 –
20 – 20 – 20
20 – 20 – 20
7 – 5 – 4.0
5 – 5 – 4.6
20 – 20 – 20
– 20 – 20 –
MAX
–
75
10
–
–
–
–
–
20