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730
CE
OE
CE
A16-0
OE
WE
I/O7-0
Note: Data is latched on the rising edge of
WE
.
t
ceh
t
wep
t
f
t
r
t
ces
t
nxtc
Address stable
t
ds
t
dh
Command write
Memory read mode
Figure 22.21 Timing Waveforms for Memory Read after Memory Write
Table 22.14 AC Characteristics in Transition from Memory Read Mode to Another Mode
(Conditions: V
CC
= 5.0 V ±10%, V
SS
= 0 V, T
a
= 25°C ±5°C)
Item
Symbol
Min
Max
Unit
Notes
Command write cycle
t
nxtc
20
µs
CE
hold time
t
ceh
0
ns
CE
setup time
t
ces
0
ns
Data hold time
t
dh
50
ns
Data setup time
t
ds
50
ns
Write pulse width
t
wep
70
ns
WE
rise time
t
r
30
ns
WE
fall time
t
f
30
ns
Содержание SH7041 Series
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Страница 923: ...SH7040 SH7041 SH7042 SH7043 SH7044 SH7045 Group Hardware Manual REJ09B0044 0600O ...