h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 712

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 22 ROM
Table 22.13 AC Characteristics in 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
FA17 to FA0
Rev. 4.00 Jun 06, 2006 page 658 of 1004
REJ09B0301-0400
FO7 to FO0
Note: Data is latched on the rising edge of WE.
Figure 22.16 Memory Read Mode Timing Waveforms after Command Write
WE
OE
CE
CC
= 3.3 V ±0.3 V, V
(H8S/2138 F-ZTAT A-Mask Version, H8S/2134 F-ZTAT A-Mask Version)
t
Command write
ces
t
f
SS
t
wep
= 0 V, T
t
ds
Data
t
Symbol
t
t
t
t
t
t
t
t
dh
nxtc
ceh
ces
dh
ds
wep
r
f
t
t
ceh
r
a
= 25°C ±5°C
t
nxtc
Min
20
0
0
50
50
70
—
—
Memory read mode
Address stable
Max
—
—
—
—
—
—
30
30
Data
Unit
µs
ns
ns
ns
ns
ns
ns
ns