Status Read Mode - Renesas H8/3067 Series User Manual

18.8.7

Status Read Mode

Table 18.18 AC Characteristics in Status Read Mode
(Conditions: V = 5.0 V ±10%, V
CC
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
OE output delay time
Disable delay time
CE output delay time
WE rise time
WE fall time
A16-0
t
ces
CE
OE
WE
I/O7-0
Note: I/O3 and I/O2 are undefined.
Figure 18.22 Status Read Mode Timing Waveforms
= 0 V, T
SS
Symbol
t
nxtc
t
ceh
t
ces
t
dh
t
ds
t
wep
t
oe
t
df
t
ce
t
r
t
f
t
t t
nxtc
ceh ces
t
wep
tf tr tf
t t
ds dh
H'71
= 25°C ±5°C)
a
Min Max Unit
20 — µs
0 — ns
0 — ns
50 — ns
50 — ns
70 — ns
— 150 ns
— 100 ns
— 150 ns
— 30 ns
— 30 ns
t
t
nxtc
ceh
t
ce
t
wep
tr
t t
ds dh
H'71
Rev. 4.00 Jan 26, 2006 page 655 of 938
Section 18 ROM
Notes
t
nxtc
t
oe
t
df
REJ09B0276-0400