TS256MDOM40V-S Transcend Information. Inc., TS256MDOM40V-S Datasheet - Page 12

• Manufacturer Part Number: TS256MDOM40V-S
• Description: Transcend 40-pin Ide Flash Module
• Manufacturer: Transcend Information. Inc.

Ultra DMA Data Burst Timing Requirements
Name
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Notes: All Timings in ns
(1) All timing measurement switching points (low to high and high to low) shall be taken at 1.5 V.
(2) All signal transitions for a timing parameter shall be measured at the connector specified in the measurement
(3) The parameter t
(4) The parameter t
(5) The parameter t
(6) See Page 14 the AC Timing requirements in Ultra DMA AC Signal Requirements.
2CYCTYP
CYC
2CYC
DS
DH
DVS
DVH
CS
CH
CVS
CVH
ZFS
DZFS
FS
LI
MLI
UI
AZ
ZAH
ZAD
ENV
RFS
RP
IORDYZ
ZIORDY
ACK
SS
location column. For example, in the case of t
sender connector.
incoming transition from the recipient or sender respectively. Both the incoming signal and the outgoing
response shall be measured at the same connector.
release the bus to allow for a bus turnaround.
Transcend Information Inc.
T
T
T
UDMA Mode 0 UDMA Mode 1 UDMA Mode 2
r
15.0
70.0
15.0
70.0
70.0
r
240
112
230
160
r
Min
5.0
6.2
5.0
6.2
20
20
20
20
50
a
a
0
0
0
0
0
a
n
n
n
s
s
s
T
T
T
AZ
c
CYC
LI
c
c
Max
S
230
150
shall be measured at the connector of the sender or recipient that is responding to an
S
S
e
10
70
75
20
e
shall be measured at the connector of the sender or recipient that is driving the bus but must
e
shall be measured at the recipient’s connector farthest from the sender.
1
n
1
n
1
n
2
2
d
2
d
d
8
8
8
10.0
48.0
10.0
48.0
48.0
Min
160
153
125
4
4
5.0
6.2
5.0
6.2
4
M
73
20
20
20
20
50
M
M
0
0
0
0
0
0
0
0
-
-
-
~
~
~
P
P
P
Max
i
1
1
200
150
i
1
i
10
70
70
20
n
n
n
6
6
6
G
G
I
I
G
I
D
D
D
D
D
D
31.0
31.0
31.0
E
120
115
100
Min
E
E
7.0
5.0
6.2
7.0
5.0
6.2
54
20
20
20
20
50
0
0
0
0
0
O
O
O
RFS
F
F
F
M
M
M
, both STROBE and -DMARDY transitions are measured at the
l
l
l
a
a
a
4
4
Max
4
170
150
10
70
60
20
s
s
s
0
0
0
12
h
h
h
V
V
V
M
-
M
-
-
M
S
S
S
UDMA Mode 3
20.0
20.0
20.0
100
Min
7.0
5.0
6.2
7.0
5.0
6.2
o
90
39
86
20
20
20
20
50
o
o
0
0
0
0
0
d
d
d
u
u
u
l
l
l
e
e
e
Max
130
100
10
55
60
20
UDMA Mode 4
100
Min
5.0
5.0
6.7
6.2
5.0
5.0
6.7
6.2
6.7
60
25
57
20
20
20
20
50
0
0
0
0
0
Max
120
100
10
55
60
20
Measure location
(See Note 2)
Sender
Note 3
Sender
Recipient
Recipient
Sender
Sender
Device
Device
Host
Host
Device
Sender
Device
Note 4
Host
Host
Note 5
Host
Device
Host
Sender
Recipient
Device
Device
Host
Sender
Ver 1.2