Datasheet

Section 6 ROM
Rev. 8.00 Mar. 09, 2010 Page 188 of 658
REJ09B0042-0800
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
20 — µs Figure 6.19
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
OE output delay time t
oe
— 150 ns
Disable delay time t
df
— 100 ns
CE output delay time t
ce
— 150 ns
WE rise time t
r
— 30 ns
WE fall time t
f
— 30 ns
CE
A15−A0
OE
WE
I/O7−I/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