
20.2.2 AC Characteristics
The AC characteristics of the H8/534 and H8/536 are listed in three tables. Bus timing parameters
are given in table 20-8, control signal timing parameters in table 20-9, and timing parameters of
the on-chip supporting modules in table 20-10.
Table 20-8 (1) Bus Timing (R-Mask Versions)
Condition A (R-mask):
V
CC
= 5.0 V ±10%, = 0.5 to 10 MHz, V
SS
= 0 V
T
a
= –20 to +75C (Regular Specifications)
T
a
= –40 to +85C (Wide-Range Specifications)
Condition A
8 MHz
Min
125
45
45
–
–
–
25
–
–
–
150
20
80
50
0
–
–
15
25
6 MHz
10 MHz
Min Max Unit
2000 100 2000 ns
–
35
–
35
15
–
15
–
60
–
–
20
60
–
60
–
60
–
–
120 –
–
15
–
65
–
40
–
0
190
–
65
–
–
10
–
20
Item
Clock cycle time
Clock pulse width Low
Clock pulse width High
Clock rise time
Clock fall time
Address delay time
Address hold time
Data strobe delay time 1
Data strobe delay time 2
Data strobe delay time 3
Write data strobe pulse width
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
Read data access time
Write data delay time
Write data setup time
Write data hold time
Symbol Min
t
cyc
t
CL
t
CH
t
Cr
t
Cf
t
AD
t
AH
t
DSD1
t
DSD2
t
DSD3
t
DSWW
t
AS1
t
AS2
t
RDS
t
RDH
t
ACC
t
WDD
t
WDS
t
WDH
Max
Max
166.7 2000
65
65
–
–
–
30
–
–
–
200
25
105
60
0
–
–
30
30
See figure 20-4
–
–
15
15
70
–
70
70
70
–
–
–
–
–
280
70
–
–
–
–
15
15
55
–
40
50
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
–
–
–
–
160
65
–
–
Test
Conditions
340