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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) 15t
GHAX
Card Enable Setup Time t
su
(CE) 0t
ELGL
Card Enable Hold Time t
h
(CE) 15t
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) 60t
WLWH
t
su
(A) 10t
AVWL
Address Setup Time
a
t
su
(A-WEH) 70t
AVWH
Address Setup Time for -WE
a
Card Enable Setup Time for -WE t
su
(CE-WEH) 70t
ELWH
Data Setup Time form -WE t
su
(D-WEH) 40t
DVWH
Data Hold Time t
h
(D) 15t
WMDX
Write Recover Time t
rec
(WE) 15t
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) 5t
WHQNZ
Output Enable Time from -OE t
en
(OE) 5t
GLQNZ
Output Enable Setup from -WE t
su
(OE-WE) 10t
GHWL
t
h
(OE-WE) 10
Output Enable Hold from -WE
t
WHGL
Card Enable Setup Time t
su
(CE) 0t
ELWL
Card Enable Hold Time t
h
(CE) 15t
GHEH
Min. Max.
a. The -REG signal timing is identical to address signal timing.
02/07, Rev. 12.0 3-12 © 2007 SanDisk Corporation