SanDisk 20-10-00038, Product Manual, Page: 30 / 108

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