HD6412350 Hitachi, HD6412350 Datasheet - Page 710

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

21.3.3
Table 21-6 lists the bus timing.
Table 21-6 Bus Timing
Condition A: V
Condition B: V
Item
Address delay time
Address setup time
Address hold time
Precharge time
CS delay time 1
CS delay time 2
AS delay time
RD delay time 1
RD delay time 2
CAS delay time
Read data setup time
Read data hold time
Read data access
time1
Read data access
time2
Read data access
time3
690
Bus Timing
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
SS
SS
AD
AS
AH
PCH
CSD1
CSD2
ASD
RSD1
RSD2
CASD
RDS
RDH
ACC1
ACC2
ACC3
= 0 V, ø = 2 to 10 MHz, T
= 0 V, ø= 2 to 20 MHz, T
Min
—
0.5
t
0.5
t
1.5
t
—
—
—
—
—
—
30
0
—
—
—
cyc
cyc
cyc
Condition A
CC
– 30
– 20
– 40
CC
= 2.7 to 5.5 V, V
= 5.0 V ± 10%, V
Max
40
—
—
—
40
40
40
40
40
40
—
—
1.0
t
1.5
t
2.0
t
cyc
cyc
cyc
– 50
– 50
– 50
a
a
= –20 to +75°C (regular specifications),
Min
—
0.5
t
0.5
t
1.5
t
—
—
—
—
—
—
15
0
—
—
—
= –20 to +75°C (regular specifications),
cyc
cyc
cyc
Condition B
ref
– 15
– 10
– 20
ref
= 2.7 V to AV
= 4.5 V to AV
Max
20
—
—
—
20
20
20
20
20
20
—
—
1.0
t
1.5
t
2.0
t
cyc
cyc
cyc
– 25
– 25
– 25
Unit
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