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Interface Description
Table 3-10
Speed Version Item
Address Hold Time
Card Enable Setup Time
Card Enable Hold Time
a. The -REG signal timing is identical to address signal timing
3.3.5
Common and Attribute Memory Write Timing
The write timing specifications for Common and Attribute memory are the same.
All timings measured at the CompactFlash Memory Card. Skews and delays from the system
driver/receiver to the card must be accounted for by the system
: SanDisk CompactFlash Memory cards do not assert the -WAIT
NOTE
signal.
Table 3-11
Speed Version
Write Cycle Time
Write Pulse Width
Address Setup Time
Address Setup Time for -WE
Card Enable Setup Time for -WE
Data Setup Time form -WE
Data Hold Time
Write Recover Time
Output Disable Time from -WE
Output Disable Time from -OE
Output Enable Time from -WE
Output Enable Time from -OE
Output Enable Setup from -WE
Output Enable Hold from -WE
Card Enable Setup Time
Card Enable Hold Time
a. The -REG signal timing is identical to address signal timing.
02/07, Rev. 12.0
Common Memory Read Timing Specification
Symbol
t
(A)
h
t
(CE)
su
t
(CE)
h
Common and Attribute Memory Write Timing Specification
Symbol
t
(W)
c
t
(WE)
w
a
t
(A)
su
a
t
(A-WEH)
su
t
(CE-WEH)
su
t
(D-WEH)
su
t
(D)
h
t
(WE)
rec
t
(WE)
dis
t
(OE)
dis
t
(WE)
en
t
(OE)
en
t
(OE-WE)
su
t
(OE-WE)
h
t
(CE)
su
t
(CE)
h
3-12
SanDisk CompactFlash Card OEM Product Manual
IEEE Symbol
Min.
t
15
GHAX
t
0
ELGL
t
15
GHEH
IEEE Symbol
Min.
t
100
AVAV
t
WLWH
t
AVWL
t
AVWH
t
ELWH
t
DVWH
t
WMDX
t
WMAX
t
WLQZ
t
GHQZ
t
WHQNZ
t
GLQNZ
t
GHWL
t
WHGL
t
ELWL
t
GHEH
© 2007 SanDisk Corporation
100 ns
Max.
---
---
---
100 ns
Max.
---
60
---
10
---
70
---
70
---
40
---
15
---
15
---
---
50
---
50
5
---
5
---
10
---
10
---
0
---
15
---
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