Section 6 ROM
Rev. 7.00 Mar 10, 2005 page 186 of 652
REJ09B0042-0700
Table 6.19
AC Characteristics in Status Read Mode
Conditions: V
CC
= 3.3 V ±0.3 V, V
SS
= 0 V, T
a
= 25°C ±5°C
Item
Symbol
Min
Max
Unit
Notes
Read time after command write
t
nxtc
t
ceh
t
ces
t
dh
t
ds
t
wep
t
oe
t
df
t
ce
t
r
t
f
20
—
μs
Figure 6.19
CE
hold time
0
—
ns
CE
setup time
0
—
ns
Data hold time
50
—
ns
Data setup time
50
—
ns
Write pulse width
70
—
ns
OE
output delay time
—
150
ns
Disable delay time
—
100
ns
CE
output delay time
—
150
ns
WE
rise time
—
30
ns
WE
fall time
—
30
ns
CE
A15
A0
OE
WE
I/O7
/O0
t
wep
t
f
t
r
t
oe
t
df
t
ds
t
ds
t
dh
t
dh
t
ces
t
ceh
t
ce
t
ceh
t
nxtc
t
nxtc
t
nxtc
t
ces
H'71
t
wep
t
f
t
r
H'71
Note: I/O2 and I/O3 are undefined.
Figure 6.19 Status Read Mode Timing Waveforms