SDP3B FlashDisk Product Manual
SanDisk SDP3B FlashDisk Product Manual © 1998 SANDISK CORPORATION
32
4.3.8
Common Memory Read Timing
Specification
Table 4-5 Common Memory Read Timing
I t e m
Symbol
IEEE Symbol
Min ns.
M a x n s .
Output Enable Access Time
ta(OE)
tGLQV
125
Output Disable Time from OE
tdis(OE)
tGHQZ
100
Address Setup Time
tsu(A)
tAVGL
30
Address Hold Time
th(A)
tGHAX
20
CE Setup before OE
tsu(CE)
tELGL
0
CE Hold following OE
th(CE)
tGHEH
20
Wait Delay Falling from OE
tv(WT-OE)
tGLWTV
35
Data Setup for Wait Release
tv(WT)
tQVWTH
0
Wait Width Time (Default Speed)
tw(WT)
tWTLWTH
350
An
-REG
Dout
tsu(A)
-CE
-OE
tsu(CE)
-WAIT
tdis(OE)
tw(WT)
tv(WT-OE)
tv(WT)
ta(OE)
th(A)
th(CE)
Figure 4-3 Common Memory Read Timing Diagram
Notes: The maximum load on -WAIT is 1 LSTTL with 50pF total load. All times are in nanoseconds.
Dout signifies data provided by the SDP3B FlashDisk to the system.
The -WAIT signal may be ignored if the -OE cycle to cycle time is greater than the Wait Width time.
The Max Wait Width time (in the slowest mode) can be determined from the Card Information Structure.
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