HD6412350 Hitachi, HD6412350 Datasheet - Page 711

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Table 21-6 Bus Timing (cont)
Condition A: V
Condition B: V
Item
Read data access
time 4
Read data access
time 5
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time
Write data hold time
WR setup time
WR hold time
CAS setup time
WAIT setup time
WAIT hold time
BREQ setup time
BACK delay time
Bus-floating time
BREQO delay time
V
T
V
T
a
a
CC
SS
CC
SS
= –40 to +85°C (wide-range specifications)
= –40 to +85°C (wide-range specifications)
= AV
= AV
= 2.7 to 5.5 V, AV
= 5.0 V ± 10%, AV
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SS
SS
ACC4
ACC5
WRD1
WRD2
WSW1
WSW2
WDD
WDS
WDH
WCS
WCH
CSR
WTS
WTH
BRQS
BACD
BZD
BRQOD
= 0 V, ø = 2 to 10 MHz, T
= 0 V, ø= 2 to 20 MHz, T
Min
—
—
—
—
1.0
t
1.5
t
—
0.5
t
0.5
t
0.5
t
0.5
t
0.5
t
60
10
60
—
—
—
cyc
cyc
cyc
cyc
cyc
cyc
cyc
Condition A
CC
– 40
– 40
– 40
– 20
– 20
– 20
– 20
CC
= 2.7 to 5.5 V, V
= 5.0 V ± 10%, V
Max
2.5
t
3.0
t
40
40
—
—
60
—
—
—
—
—
—
—
—
30
100
60
cyc
cyc
– 50
– 50
a
a
= –20 to +75°C (regular specifications),
Min
—
—
—
—
1.0
t
1.5
t
—
0.5
t
0.5
t
0.5
t
0.5
t
0.5
t
30
5
30
—
—
—
= –20 to +75°C (regular specifications),
cyc
cyc
cyc
cyc
cyc
cyc
cyc
Condition B
ref
– 20
– 20
– 20
– 10
– 10
– 10
– 10
ref
= 2.7 V to AV
= 4.5 V to AV
Max
2.5
t
3.0
t
20
20
—
—
30
—
—
—
—
—
—
—
—
15
50
30
cyc
cyc
– 25
– 25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
CC
,
,
Test Conditions
Figure 21-8 to
Figure 21-15
Figure 21-12
Figure 21-10
Figure 21-16
Figure 21-17
691