SDCFJ-2048-388 SanDisk, SDCFJ-2048-388 Datasheet - Page 35
![COMPACT FLASH 2GB](/photos/7/83/78343/mfg_sdcfj_series_sml.jpg)
SDCFJ-2048-388
Manufacturer Part Number
SDCFJ-2048-388
Description
COMPACT FLASH 2GB
Manufacturer
SanDisk
Datasheet
1.SDCFH-1024-388.pdf
(108 pages)
Specifications of SDCFJ-2048-388
Memory Size
2GB
Memory Type
CompactFLASH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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© 2007 SanDisk Corporation
SanDisk CompactFlash Card OEM Product Manual
3.3.10
Table 3-14 contains the specification information related to the I/O Write Timing Diagram.
Table 3-14
True IDE Mode
The following sections provide valuable information for the True IDE mode.
De-skewing. The host will provide cable de-skewing for all signals originating from the
device. The device will provide cable de-skewing for all signals originating at the host.
All timing values and diagrams are shown and measured at the connector of the selected
device.
Transfer Timing. The minimum cycle time supported by devices in PIO Mode 3, 4 and
Multiword DMA Mode 1, 2 respectively will always be greater than or equal to the minimum
cycle time defined by the associated mode (e.g., a device supporting PIO Mode 4 timing will
not report a value less than 120 ns. The minimum cycle time defined for PIO mode 4 timings).
•
NOTE
Data Setup before -IOWR
Data Hold following -IOWR
-IOWR Width Time
Address Setup before -IOWR
Address Hold following -IOWR
-CE Setup before -IOWR
-CE Hold following -IOWR
-REG Setup before -IOWR
-REG Hold following -IOWR
-IOIS16 Delay falling from Address
-IOIS16 Delay rising from -IORD
-IOIS16 Delay falling from Address
-IOIS16 Delay rising from Address
a. The maximum load on -IOIS16 is 1 LSTTL with 50 pF total load.
Register Transfers
Figure 3-7 defines the relationships between the interface signals for register transfers.
For PIO Modes 3 and above, the minimum value of t
IDENTIFY DEVICE parameter list. Table 3-15 defines the minimum value that will be
placed in Word 68.
In Figure 3-7, all signals shown with the asserted condition facing the top of the page. The
negated condition is shown toward the bottom of the page relative to the asserted condi
tion.
: SanDisk CompactFlash Memory cards do not assert an -IORDY
signal.
I/O Write Timing Specification
Item
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
su
h
w
su
h
su
h
su
h
df
dr
df
dr
A(IOWR)
CE(IOWR)
REG(IOWR)
IOIS16(ADR)
IOIS16(ADR)
(IOWR)
-IOIS16(ADR)
IOIS16(ADR)
(IOWR)
A(IOWR)
CE(IOWR)
REG(IOWR)
(IOWR)
3-17
IEEE Symbol
0
tl
tl
t
is specified by Word 68 in the
tl
tl
t
t
t
t
RGLIWL
WHRGH
t
t
t
t
DVIWL
WLIWH
WHDX
AVIWL
ELIWL
AVISH
AVISH
WHAX
WHEH
AVISL
AVISL
Min. (ns)
165
Interface Description
60
30
70
20
20
---
---
---
---
5
5
0
Rev. 12.0, 02/07
Max. (ns)
35
35
35
35
---
---
---
---
---
---
---
---
---
a
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