82801FB Datasheet, PDF (746/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Electrical Characteristics
Table 22-12. IDE Multiword DMA Timings
Sym
Parameter
t70
t70d
t70e
t70f
t70g
t70h
t70i
t70j
t70kr
t70kw
t70lr
t70lw
t70m
t70n
t70z
Cycle Time (min)
DIOR#/DIOW# (min)
DIOR# Data access (max)
DIOR# Data hold (min)
DIOR#/DIOW# Data setup (min)
DIOW# Data hold (min)
DDACK# to DIOR#/DIOW# setup (min)
DIOR#/DIOW# to DDACK# hold (min)
DIOR# negated pulse width (min)
DIOW# negated pulse width (min)
DIOR# to DDREQ delay (max)
DIOW# to DDREQ delay (max)
DCS1#/DCS3# valid to DIOR#/DIOW# (min)
DCS1#/DCS3# hold (min)
DDACK# to tri-state (max)
Mode 0
(nS)
480
215
150
5
100
20
0
20
50
215
120
40
50
15
20
Mode 1
(nS)
150
80
60
5
30
15
0
5
50
50
40
40
30
10
25
Mode 2
(nS)
120
70
50
5
20
10
0
5
25
25
35
35
25
10
25
Figure
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
22-8
746
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet