SanDisk SDCFH-004G Product Manual - Page 29

Power Up/Power Down Timing for Systems not supporting RESET, Table 3-10, Common Memory - driver

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SanDisk CompactFlash Card OEM Product Manual Interface Description Figure 3-2 Power Up/Power Down Timing for Systems not supporting RESET tpr VCC Min. VIH tSU(VCC) 2V VCC -CE1, -CE2 Always Hi-z from system RESET VCC -CE1, -CE2 Supplied by pull-up resistor on card (if present) tpf VCC Min. trec VIH 2V 3.3.4 Common Memory Read Timing Table 3-10 contains common memory read timing specifications for all types of memory. NOTE: 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. Table 3-10 Common Memory Read Timing Specification Speed Version Item Read Cycle Time Address Access Timea Card Enable Access Time Output Enable Access Time Output Disable Time from -OE Output Disable Time from -CE Output Enable Time from -CE Output Enable Time from -OE Data Valid from Add Changea Address Setup Time Symbol tc (R) ta (A) ta (CE) ta (OE) tdis (OE) tdis (CE) ten (CE) ten (OE) tv (A) tsu (A) IEEE Symbol tAVAV tAVQV tELQV tGLQV tGHQZ tEHQZ tELQNZ tGLQNZ tAXQX tAVGL 100 ns Min. 100 ----------- 5 5 0 10 Max. --100 100 50 50 50 --------- © 2007 SanDisk Corporation 3-11 Rev. 12.0, 02/07

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SanDisk CompactFlash Card OEM Product Manual
Interface Description
Figure 3-2
Power Up/Power Down Timing for Systems not supporting RESET
t
V
CC
2V
V
CC
Min.
pr
V
IH
t
SU
(V
CC
)
-CE1, -CE2
Always Hi-z from system
Supplied by pull-up resistor
RESET
on card (if present)
t
pf
V
IH
t
rec
V
CC
V
CC
Min.
2V
-CE1, -CE2
3.3.4
Common Memory Read Timing
Table 3-10 contains common memory read timing specifications for all types of memory.
NOTE
:
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.
Table 3-10
Common Memory Read Timing Specification
Speed Version Item
Symbol
Read Cycle Time
t
c
(R)
Address Access Time
a
t
a
(A)
Card Enable Access Time
t
a
(CE)
Output Enable Access Time
t
a
(OE)
Output Disable Time from -OE
t
dis
(OE)
Output Disable Time from -CE
t
dis
(CE)
Output Enable Time from -CE
t
en
(CE)
Output Enable Time from -OE
t
en
(OE)
Data Valid from Add Change
a
t
v
(A)
Address Setup Time
t
su
(A)
100 ns
IEEE Symbol
100
t
AVQV
t
AVAV
100
t
ELQV
100
t
GLQV
50
t
GHQZ
50
t
EHQZ
50
t
ELQNZ
5
t
GLQNZ
5
t
AXQX
0
t
AVGL
10
Min.
Max.
© 2007 SanDisk Corporation
3-11
Rev. 12.0, 02/07