Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 783 of 1108
REJ09B0089-0700
Table 17.67 AC Characteristics Memory 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
Access time t
acc
— 20 μs
CE output delay time t
ce
— 150 ns
OE output delay time t
oe
— 150 ns
Output disable delay time t
df
— 100 ns
Data output hold time t
oh
5 — ns
CE
A18-0
I/O7-0
OE
WE
V
IH
V
IL
V
IL
t
acc
t
oh
t
oh
t
acc
Address Stable Address Stable
Figure 17.90 CE/OE Enable State Read
CE
A18-0
I/O7-0
V
IH
OE
WE
t
ce
t
acc
t
oe
t
oh
t
oh
t
df
t
ce
t
acc
t
oe
Address Stable Address Stable
t
df
Figure 17.91 CE/OE Clock Read