Hitachi DK23EB - Travelstar Series 20 GB Hard Drive Specifications page 107

DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
DD(15:0)
(host)
DA0, DA1, DA2,
CS0-, CS1-
Note: The definitions for the STOP, DDMARDY and HSTROBE signal lines are no longer in effect
after DMARQ and DMACK are negated.
Mode 0(ns) Mode 1(ns) Mode 2(ns) Mode 3(ns) Mode 4(ns) Mode5(ns)
SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
t 70
CVS
t 6.2
CVH
t 0 150
LI
t 20
MLI
t 10
AZ
t 20
IORDYZ
t 20
ACK
t 50
SS
K6602743
Rev.2
02.12.'02
Figure 6-16 Host terminating an Ultra DMA Write
t
LI
t
SS
t
LI
48 31
6.2 6.2
0 150 0 150
20 20
10 10
20 20
20 20
50 50
t
MLI
t
LI
t
CVS
CRC
20 6.7
6.2 6.2
0 100 0 100
20 20
10 10
20 20
20 20
50 50
- 107 -
t
ACK
t
IORDYZ
t
ACK
t
CVH
t
ACK
Description
10 CRC word valid setup time
at sender
10 CRC word valid hold time at
sender
0 75 Limited interlock time
20 Interlock time with minimum
10 Maximum time allowed for
output drivers to release
20 Maximum
releasing IORDY
20 Setup and hold times for
DMACK_
50 Time from STROBE edge
to negation of DMARQ or
assertion of STOP
time before