Hitachi H8/3062 Hardware Manual page 674

Table 22.7 Bus Timing
Condition: T = –20°C to +75°C (regular specifications), T
a
specifications)
Condition A: V = 2.7 to 5.5 V, AV
CC
Condition B: V = 3.0 to 5.5 V, AV
CC
Condition C: V = 5.0 V ± 10%, AV
CC
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
CC
CC
CC
A
Symbol Min
t —
AD
t 0.5 t
AH cyc
– 45
t —
RSD
t —
ASD
t —
WSD
t —
SD
t 1.0 t
WSW1 cyc
– 50
t 1.5 t
WSW2 cyc
– 50
t 0.5 t
AS1 cyc
– 45
t 1.0 t
AS2 cyc
– 45
t 50
RDS
t 0
RDH
= 2.7 to 5.5 V, V
REF
= 3.0 to 5.5 V, V
REF
= 5.0 V ± 10%, V
REF
Condition
B
Max Min Max
50 — 40
— 0.5 t —
cyc
– 35
60 — 50
60 — 50
60 — 50
60 — 50
— 1.0 t —
cyc
– 40
— 1.5 t —
cyc
– 40
— 0.5 t —
cyc
– 29
— 1.0 t —
cyc
– 35
— 40 —
— 0 —
= –40°C to +85°C (wide-range
a
= 2.7 to AV , V = AV
CC SS
= 3.0 to AV , V = AV
CC SS
= 4.5 to AV , V
CC SS
C
Min Max Unit Conditions
— 25 ns
0.5 t — ns
cyc
– 20
— 25 ns
— 25 ns
— 25 ns
— 25 ns
1.0 t — ns
cyc
– 25
1.5 t — ns
cyc
– 25
0.5 t — ns
cyc
– 20
1.0 t — ns
cyc
– 20
25 — ns
0 — ns
= 0 V
SS
= 0 V
SS
= AV = 0 V
SS
Test
Figure 22.17,
figure 22.18
659