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Table 7.13 AC Characteristics when Entering Another Mode from Memory Read Mode
= 5.0 V ±10%, V
(Conditions: V
CC
Item
Command write cycle
&(
hold time
&(
setup time
Data hold time
Data setup time
Write pulse width
:(
rise time
:(
fall time
ADDRESS
CE
OE
WE
DATA
Note: Do not enable WE and OE at the same time.
Figure 7.17 Timing Waveforms when Entering Another Mode from Memory Read Mode
Rev. 2.0, 11/00, page 158 of 1037
= 0 V, Ta = 25°C ±5°C)
SS
Symbol
Min
t
20
nxtc
t
0
ceh
t
0
ces
t
50
dh
t
50
ds
t
70
wep
t
r
t
f
ADDRESS STABLE
DATA
Max
30
30
XX mode command write
t
t
wep
ceh
t
nxtc
t
ces
t
t
f
r
H'XX
t
dh
t
ds
Unit
µs
ns
ns
ns
ns
ns
ns
ns
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