390
Condition A
Condition B
Test
Item
Symbol
Min
Max
Min
Max
Unit
Conditions
Precharge
time 1
t
PCH1
1.0
×
t
cyc
– 20
—
1.0
×
t
cyc
– 20
—
ns
Figure 7.6 to
Figure 7.19
Precharge
time 2
t
PCH2
1.5
×
t
cyc
– 20
—
1.5
×
t
cyc
– 20
—
ns
Self-refresh
precharge time 1
t
RPS1
2.5
×
t
cyc
– 20
—
2.5
×
t
cyc
– 20
—
ns
Figure 7.20
Figure 7.21
Self-refresh
precharge time 2
t
RPS2
3.0
×
t
cyc
– 20
—
3.0
×
t
cyc
– 20
—
ns
WAIT
setup time t
WTS
30
—
25
—
ns
Figure 7.14
WAIT
hold time
t
WTH
5
—
5
—
ns
BREQ
setup
time
t
BREQS
30
—
30
—
ns
Figure 7.22
BACK
delay time t
BACD
—
15
—
15
ns
Bus floating time t
BZD
—
50
—
40
ns
BREQO
delay
time
t
BRQOD
—
30
—
25
ns
Figure 7.23
Содержание H8S/2670
Страница 5: ......
Страница 9: ......
Страница 199: ...182 ...
Страница 361: ...344 ...
Страница 393: ...376 ...
Страница 647: ...630 ...