T
T
T
S
S
S
1
1
1
6
6
6
G
G
G
~
~
~
6
6
6
4
4
4
G
G
G
C
C
C
F
F
F
4
4
4
0
0
0
0
0
0
400X CompactFlash Card
Transcend Information Inc.
V1.0
30
True IDE Multiword DMA Mode Read/Write Timing Specification
Item
Mode 0
(ns)
Mode 1
(ns)
Mode 2
(ns)
Mode 3
(ns)
Mode 4
(ns)
Note
t
O
Cycle time (min)
480
150
120
100
80
1
t
D
-HIOE / -HIOW asserted width (min)
215
80
70
65
55
1
t
E
-HIOE data access (max)
150
60
50
50
45
t
F
-HIOE data hold (min)
5
5
5
5
5
t
G
-HIOE/-HIOW data setup (min)
100
30
20
15
10
t
H
-HIOW data hold (min)
20
15
10
5
5
t
I
-HREG to –HIOE/-HIOW setup (min)
0
0
0
0
0
t
J
-HIOE / -HIOW to -HREG hold (min)
20
5
5
5
5
t
KR
-HIOE negated width (min)
50
50
25
25
20
1
t
KW
-HIOW negated width (min)
215
50
25
25
20
1
t
LR
-HIOE to DMARQ delay (max)
120
40
35
35
35
t
LW
-HIOW to DMARQ delay (max)
40
40
35
35
35
t
M
CEx valid to –HIOE / -HIOW
50
30
25
10
5
t
N
CEx hold
15
10
10
10
10