HD643303x Hitachi, HD643303x Datasheet - Page 445

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

17.2.2 AC Characteristics
Bus timing parameters are listed in table 17-4. Control signal timing parameters are listed in
table 17-5. Timing parameters of the on-chip supporting modules are listed in table 17-6.
Table 17-4 Bus Timing (1)
Condition A: V
Condition B: V
Condition C: V
Item
Clock cycle time
Clock low pulse width
Clock high pulse width
Clock rise time
Clock fall time
Address delay time
Address hold time
Address strobe delay
time
Write strobe delay time
Strobe delay time
Write data strobe pulse
width 1
Write data strobe pulse
width 2
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
V
specifications), T
V
specifications), T
V
specifications), T
CC
SS
CC
SS
CC
SS
= AV
= AV
= AV
= 2.7 V to 5.5 V, AV
= 3.0 V to 5.5 V, AV
= 5.0 V ± 10%, AV
SS
SS
SS
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CYC
CL
CH
CR
CF
AD
AH
ASD
WSD
SD
WSW1
WSW2
AS1
AS2
RDS
RDH
= 0 V, ø = 2 MHz to 8 MHz, T
= 0 V, ø = 2 MHz to 10 MHz, T
= 0 V, ø = 2 MHz to 16 MHz, T
*
*
a
a
a
= –40°C to +85°C (wide-range specifications)
= –40°C to +85°C (wide-range specifications)
= –40°C to +85°C (wide-range specifications)
Condition A
Min
125
40
40
—
—
—
25
—
—
—
85
150
20
80
50
0
8 MHz
CC
CC
CC
Max
500
—
—
20
20
60
—
60
60
60
—
—
—
—
—
—
= 5.0 V ± 10%, V
= 2.7 V to 5.5 V, V
= 3.0 V to 5.5 V, V
430
Condition B
Min
100
40
30
—
—
—
20
—
—
—
60
110
15
65
35
0
10 MHz
Max
500
—
—
15
15
50
—
40
50
50
—
—
—
—
—
—
a
a
a
= –20°C to +75°C (regular
REF
= –20°C to +75°C (regular
= –20°C to +75°C (regular
REF
REF
Condition C
= 4.5 V to AV
Min
62.5
20
20
—
—
—
10
—
—
—
35
65
10
40
20
0
16 MHz
= 2.7 V to AV
= 3.0 V to AV
Max
500
—
—
10
10
30
—
30
30
30
—
—
—
—
—
—
CC
ns
Unit
CC
CC
,
,
,
Test
Conditions
Figure 17-4,
Figure 17-5