Hitachi H8/3062 Hardware Manual page 714

Table 22.26 Bus Timing
Condition: T = –20°C to +75°C
a
Condition A: V = 3.0 to 3.6 V, AV
CC
fmax = TBD
Condition B: V = 5.0 V ± 10%, AV
CC
fmax = 20 MHz
Condition C: V = 5.0 V ± 10%, AV
CC
fmax = 25 MHz
Item
Address delay time
Address hold time
Read strobe delay time
Address strobe delay
time
Write strobe delay time
Strobe delay time
Write strobe pulse
width 1
Write strobe pulse
width 2
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
Write data delay time
Write data setup time 1
Write data setup time 2
Write data hold time
= 3.0 to 3.6 V, V
CC
= 5.0 V ± 10%, V
CC
= 5.0 V ± 10%, V
CC
A
Symbol Min
t —
AD
t 0.5 t
AH cyc
– 35
t —
RSD
t —
ASD
t —
WSD
t —
SD
t 1.0 t
WSW1 cyc
– 40
t 1.5 t
WSW2 cyc
– 40
t 0.5 t
AS1 cyc
– 29
t 1.0 t
AS2 cyc
– 35
t 40
RDS
t 0
RDH
t —
WDD
t 1.0 t
WDS1 cyc
– 40
t 2.0 t
WDS2 cyc
– 40
t 0.5 t
WDH cyc
– 25
= 3.0 to AV
REF
= 4.5 to AV
REF
= 4.5 to AV
REF
Condition
B and C
Max Min
40 —
— 0.5 t
cyc
– 20
50 —
50 —
50 —
50 —
— 1.0 t
cyc
– 25
— 1.5 t
cyc
– 25
— 0.5 t
cyc
– 20
— 1.0 t
cyc
– 20
— 25
— 0
50 —
— 1.0 t
cyc
– 30
— 2.0 t
cyc
– 30
— 0.5 t
cyc
– 15
, V = AV = 0 V,
CC SS SS
, V = AV
CC SS SS
, V = AV
CC SS SS
Test
Max Unit Conditions
25 ns Figure 22.17,
figure 22.18
— ns
25 ns
25 ns
25 ns
25 ns
— ns
— ns
— ns
— ns
— ns
— ns
35 ns
— ns
— ns
— ns
= 0 V,
= 0 V,
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