HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 652

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 20.6 Bus Timing (cont)
Condition A: —In planning stage—
Condition B: V
Item
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time
Write data hold time
WAIT setup time
WAIT hold time
BREQ setup time
BACK delay time
Bus-floating time
V
ø = 2 to 10 MHz, T
T
ø= 2 to 20 MHz, T
T
a
a
CC
CC
= –40 to +85 C (wide-range specifications)
= –40 to +85 C (wide-range specifications)
= AV
= AV
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
WRD1
WRD2
WSW1
WSW2
WDD
WDS
WDH
WTS
WTH
BRQS
BACD
BZD
CC
CC
= 3.0 to 5.5 V, V
= 5.0 V 10%, V
a
a
Min
—
—
1.0
t
1.5
t
—
0.5
t
0.5
t
60
10
60
—
—
= –20 to +75 C (regular specifications),
cyc
cyc
cyc
cyc
= –20 to +75 C (regular specifications),
Condition A
– 40
– 40
– 40
– 20
Max
40
40
—
—
60
—
—
—
—
—
30
100
ref
ref
= 3.0 V to AV
= 4.5 V to AV
Min
—
—
1.0
t
1.5
t
—
0.5
t
0.5
t
30
5
30
—
—
cyc
cyc
cyc
cyc
Condition B
– 20
– 20
– 20
– 10
CC
CC
, V
, V
Max
20
20
—
—
30
—
—
—
—
—
15
50
SS
SS
= AV
= AV
SS
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SS
= 0 V,
= 0 V,
Test Conditions
Figure 20.11 to
Figure 20.15
Figure 20.13
Figure 20.16
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