SDCFJ-4096-388 SanDisk, SDCFJ-4096-388 Datasheet - Page 38
SDCFJ-4096-388
Manufacturer Part Number
SDCFJ-4096-388
Description
COMPACT FLASH 4GB
Manufacturer
SanDisk
Datasheet
1.SDCFH-1024-388.pdf
(108 pages)
Specifications of SDCFJ-4096-388
Memory Size
4GB
Memory Type
CompactFLASH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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02/07, Rev. 12.0
Interface Description
3.4
The PIO data transfer parameters are defined in Table 3-16.
Table 3-16
Card Configuration
SanDisk CompactFlash Memory cards are identified by appropriate information in the Card
Information Structure (CIS). The configuration registers are used to coordinate the I/O spaces
and the interrupt level of cards that are located in the system.
NOTE
t
t
t
t
6z
t
2ia
t
t
t
t
t
0
2
1
3
4
5
6
9
a. t
b. This parameter specifies the time from the negation edge of /IORD to the time that the data bus is no
a
a
b
command recovery time or command inactive time. The actual cycle time equals the sum of the
actual command active time and the actual command inactive time. The three timing requirements of
t
and t
equal to or greater than the value reported in the devices IDENTIFY DEVICE data. A device imple
mentation shall support any legal host implementation.
longer driven by the device (tri-state).
: SanDisk CompactFlash Memory cards do not assert an -IORDY
0
0
, t
PIO Timing Parameters
Cycle time (min.)
Address valid to IORD-/IOWR- setup
(min.)
IORD-/IOWR- pulse width 16-bit (min.)
IORD-/IOWR- recovery time (min.)
IOWR- data setup (min.)
IOWR- data hold (min.)
IORD- data setup (min.)
IORD- data hold (min.)
IORD- data tri-state (max.)
IORD-/IOWR- to address valid hold
(min.)
is the minimum total cycle time, t
signal.
2
, and t
2i
. This means a host implementation may lengthen either or both t
PIO Data Transfer to/from Device
2i
shall be met. The minimum total cycle time requirements are greater than the sum of t
3-20
2
is the minimum command active time, and t
Mode 0
(ns)
600
165
70
60
30
50
30
20
---
5
SanDisk CompactFlash Card OEM Product Manual
Mode 1
(ns)
383
125
50
45
20
35
30
15
---
5
Mode 2
(ns)
240
100
30
10
---
30
15
20
30
5
© 2007 SanDisk Corporation
2
or t
2i
Mode 3
to ensure that t
(ns)
180
30
80
70
30
10
20
30
10
5
2i
is the minimum
Mode 4
(ns)
120
25
70
25
20
10
20
30
10
5
0
is
2
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