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3.3.6. Common and Attribute Memory Write Timing
The write timing specifications for Common and Attribute memory are the same.
Table 3-8. Common and Attribute Memory Write Timing Specifications
Speed Version Item
Write Cycle Time
Write Pulse Width
Address Setup Time
Address Setup Time for -WE
Card Enable Setup Time for -WE
Data Setup Time from -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
1. The -REG signal timing is identical to address signal timing.
2. SanDisk CompactFlash Memory Cards do not assert the -WAIT signal.
NOTE: All timings measured at the CompactFlash Memory Card. Skews and delays from the system
driver/receiver to the CompactFlash Memory Card must be accounted for by the system.
®
CompactFlash
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION
Symbol
t
(W)
c
t
(WE)
w
1
t
(A)
su
1
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
CompactFlash Memory Card Interface Description
IEEE
100 ns
Symbol
Min
Max
tAVAV
100
tWLWH
60
tAVWL
10
tAVWH
70
tELWH
70
tDVWH
40
tWMDX
15
tWMAX
15
tWLQZ
50
tGHQZ
50
tWHQNZ
5
tGLQNZ
5
tGHWL
10
tWHGL
10
tELWL
0
tGHEH
15
3-9
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