Hitachi C4K60 - Travelstar Slim - Hard Drive Specifications page 138

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 not in effect until
DMARQ and DMACK are asserted.
Mode 0(ns) Mode 1(ns) Mode 2(ns) Mode3(ns)
SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
t 70
DVS
t 6.2
DVH
t 0 150
LI
t 0
UI
t 20 70
ENV
t 0
ZIORDY
t 20
ACK
t 70
DZFS
K6610170
Rev.2
Dec 22, 2004
Figure 8.9 Initiating an Ultra DMA Write
t
UI
t
t
ACK
ENV
t
ZIORDY
t
ACK
t
ACK
48 31
6.2 6.2
0 150 0 150
0 0
20 70 20 70
0 0
20 20
48 31
t
LI
t
DZFS
t
DVS
Mode4(ns)
20 6.7
6.2 6.2
0 100 0 100
0 0
20 55 20 55
0 0
20 20
20 6.7
- 138 -
t
UI
t
DVH
Mode5(ns) Description
4.8 Data valid setup time at
sender
4.8 Data valid hold time at
sender
0 75 Limited interlock time
0 Unlimited interlock
Envelope time
20 50
0 Minimum time before
driving IORDY
20 Setup and hold times
before assertion and
negation of DMACK_
Time from data output
25
released-to-driving until
the first transition of
critical timing