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Table 17-66 AC Characteristics in Transition from Memory Read Mode to Others
Condition: V
= 3.3 V ± 0.3 V, V
CC
Code
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Programming pulse width
WE rise time
WE fall time
A18-0
CE
OE
WE
I/O7-0
Note : WE and OE should not be enabled simultaneously.
Figure 17-89 Timing at Transition from Memory Read Mode to Other Modes
Rev. 5.00, 12/03, page 758 of 1088
= 0 V, T
SS
a
Symbol
t
nxtc
t
ceh
t
ces
t
dh
t
ds
t
wep
t
r
t
f
Memory Read Mode
Address Stable
= 25˚C ± 5˚C
Min
20
0
0
50
50
70
—
—
Other Mode Command Write
t
t
nxtc
ces
tf
Max
Unit
µs
—
—
ns
—
ns
—
ns
—
ns
—
ns
30
ns
30
ns
t
ceh
t
wep
tr
t
t
ds
dh
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