Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 786 of 1108
REJ09B0089-0700
Table 17.70 AC Characteristics Status Read Mode
Condition: V
CC
= 3.3 V ± 0.3 V, V
SS
= 0 V, T
a
= 25˚C ± 5˚C
Code Symbol Min Max Unit
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
Programming 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
A18-0
I/O7-0
OE
WE
t
dh
t
df
t
ds
tf tr
t
wep
t
nxtc
t
nxtc
tf tr
t
wep
t
ds
t
dh
t
nxtc
t
ceh
t
ceh
t
oe
t
ces
t
ces
t
ce
H'71 H'71
Note: I/O
3
and I/O
2
are undefined.
Figure 17.94 Timing in Status Read Mode
Table 17.71 Stipulated Transition Times to Command Wait State
Code Symbol Min Max Unit
Standby release (oscillation settling
time)
t
osc1
30 — ms
PROM mode setup time t
bmv
10 — ms
V
CC
hold time t
dwn
0 — ms