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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) 300t
AVQV
Address Access Time
a
t
a
(CE) 300
Card Enable Access Time
t
ELQV
Output Enable Access Time t
a
(OE) 150t
GLQV
Output Disable Time from -OE t
dis
(OE) 100t
GHQZ
Output Enable Time from -OE t
en
(OE) 5t
GLQNZ
t
v
(A) 0t
AXQX
Data Valid from Add Change
a
Address Setup Time t
su
(A) 30t
AVGL
t
h
(A) 20
Address Hold Time
t
GHAX
Card Enable Setup Time t
su
(CE) 0t
ELGL
Card Enable Hold Time t
h
(CE) 20t
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