h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 741

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 20.13 AC Characteristics in Transition to Memory Read Mode
Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
WE rise time
WE fall time
I/O7–I/O0
Note: Data is latched on the rising edge of WE.
A18–A0
WE
OE
OE
CE
CE
Figure 20.18 Timing Waveforms for Memory Read after Memory Write
CC
= 5.0 V ±0.5 V, V
Command write
t
ces
t
f
t
t
wep
ds
SS
Symbol
t
t
t
t
t
t
t
t
= 0 V, T
nxtc
ceh
ces
dh
ds
wep
r
f
t
ceh
t
r
t
dh
a
= 25°C ±5°C
t
nxtc
Min
20
0
0
50
50
70
—
—
Rev. 5.00 Sep 22, 2005 page 715 of 1136
Memory read mode
Address stable
Max
—
—
—
—
—
—
30
30
REJ09B0257-0500
Section 20 ROM
Unit
µs
ns
ns
ns
ns
ns
ns
ns