hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 222

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Section 6 ROM
Table 6.15 AC Characteristics in Transition from Memory Read Mode to Another Mode
Conditions: V
Item
Command write cycle
C E
C E
Data hold time
Data setup time
Write pulse width
W E
W E
Rev. 7.00 Mar 10, 2005 page 180 of 652
REJ09B0042-0700
Figure 6.14 Timing Waveforms in Transition from Memory Read Mode to Another Mode
hold time
setup time
rise time
fall time
I/O7−I/O0
Note: Do not enable WE and OE at the same time.
CC
A15−A0
= 3.3 V ±0.3 V, V
WE
CE
OE
Memory read mode
Address stable
Symbol
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
r
f
SS
= 0 V, T
a
= 25°C ±5°C
Min
20
0
0
50
50
70
—
—
t
nxtc
Other mode command write
t
ces
Max
—
—
—
—
—
—
30
30
t
f
t
wep
t
ds
Unit
µs
ns
ns
ns
ns
ns
ns
ns
t
ceh
t
r
t
dh
Notes
Figure 6.14