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