SanDisk CompactFlash Extreme III User Manual
Page 31
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SanDisk CompactFlash Card OEM Product Manual
Interface Description
3.3.6
Attribute Memory Read Timing Specification
Table 3-12 contains common memory write timing specifications for all types of memory.
NOTE
: SanDisk CompactFlash Memory cards do not assert the -WAIT
signal.
Table 3-12
Attribute Memory Read Timing Specification
300 ns
Speed Version Item
Symbol
IEEE Symbol
t
c
(R)
300
Read Cycle Time
t
AVAV
t
a
(A)
300
t
AVQV
Address Access Time
a
t
a
(CE)
300
Card Enable Access Time
t
ELQV
Output Enable Access Time
t
a
(OE)
150
t
GLQV
Output Disable Time from -OE
t
dis
(OE)
100
t
GHQZ
Output Enable Time from -OE
t
en
(OE)
5
t
GLQNZ
t
v
(A)
0
t
AXQX
Data Valid from Add Change
a
Address Setup Time
t
su
(A)
30
t
AVGL
t
h
(A)
20
Address Hold Time
t
GHAX
Card Enable Setup Time
t
su
(CE)
0
t
ELGL
Card Enable Hold Time
t
h
(CE)
20
t
GHEH
Min.
Max.
a. The -REG signal timing is identical to address signal timing
3.3.7
Memory Timing Diagrams
Figure 3-3 Common and Attribute Memory Read Timing Diagram
NOTE
1:
Shaded areas may be high or low.
© 2007 SanDisk Corporation
3-13
Rev. 12.0, 02/07