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Table 6.15 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V
= 3.3 V ±0.3 V, V
CC
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
WE rise time
WE fall time
A15−A0
CE
OE
WE
I/O7−I/O0
Note: Do not enable WE and OE at the same time.
Figure 6.14 Timing Waveforms in Transition from Memory Read Mode to Another Mode
Rev. 6.00, 08/04, page 176 of 628
= 0 V, T
= 25°C ±5°C
SS
a
Symbol
Min
t
20
nxtc
t
0
ceh
t
0
ces
t
50
dh
t
50
ds
t
70
wep
t
—
r
t
—
f
Memory read mode
Address stable
t
Max
—
—
—
—
—
—
30
30
Other mode command write
t
ces
nxtc
t
wep
t
f
Unit
Notes
µs
Figure 6.14
ns
ns
ns
ns
ns
ns
ns
t
ceh
t
r
t
t
ds
dh
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