h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 840

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 21A ROM (H8S/2636 Group)
Table 21A-17 AC Characteristics in Transition to Memory Read Mode
Conditions: V
Rev. 6.00 Feb 22, 2005 page 780 of 1484
REJ09B0103-0600
Item
Command write cycle
C E
C E
Data hold time
Data setup time
Write pulse width
W E
W E
Note: Data is latched on the rising edge of WE.
I/O7 to I/O0
A18 to A0
hold time
setup time
rise time
fall time
Figure 21A-18 Timing Waveforms for Memory Read after Memory Write
WE
OE
OE
CE
CE
CC
= 5.0 V ± 0.5 V, V
Command write
t
ces
t
f
t
t
wep
ds
SS
= 0 V, T
t
Symbol
t
t
t
t
t
t
t
t
ceh
t
nxtc
ceh
ces
dh
ds
wep
r
f
r
t
dh
a
= 25°C ± 5°C
t
nxtc
Min.
20
0
0
50
50
70
—
—
Memory read mode
Address stable
Max.
—
—
—
—
—
—
30
30
Unit
µs
ns
ns
ns
ns
ns
ns
ns