HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 692

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 21-12 Bus Timing (cont)
Condition A: V
Condition C: V
Item
Write data delay time
Write data setup time 1
Write data setup time 2
Write data hold time
Read data access time 1
Read data access time 2
Read data access time 3
Read data access time 4
Precharge time
Wait setup time
Wait hold time
Bus request setup time
Bus acknowledge delay time 1
Bus acknowledge delay time 2
Bus-floating time
Note: At 8 MHz, the times below depend as indicated on the clock cycle time.
At 16 MHz, the times below depend as indicated on the clock cycle time.
t
t
t
t
t
t
t
t
ACC1
ACC2
ACC3
ACC4
ACC1
ACC2
ACC3
ACC4
V
specifications), T
V
specifications), T
= 1.5
= 2.5
= 1.0
= 2.0
= 1.5
= 2.5
= 1.0
= 2.0
CC
SS
CC
SS
= AV
= AV
= 2.7 V to 5.5 V, AV
= 5.0 V ± 10%, AV
t
t
t
t
t
t
t
t
CYC
CYC
CYC
CYC
CYC
CYC
CYC
CYC
SS
SS
= 0 V, ø = 1 MHz to 8 MHz, T
= 0 V, ø = 1 MHz to 16 MHz, T
– 68 (ns)
– 73 (ns)
– 55 (ns)
– 70 (ns)
– 34 (ns)
– 37 (ns)
– 33 (ns)
– 30 (ns)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WDD
WDS1
WDS2
WDH
ACC1
ACC2
ACC3
ACC4
PCH
WTS
WTH
BRQS
BACD1
BACD2
BZD
a
a
= –40°C to +85°C (wide-range specifications)
= –40°C to +85°C (wide-range specifications)
*
*
*
*
*
CC
CC
= 5.0 V ± 10%, V
Min
—
60
5
25
—
—
—
—
85
40
10
40
—
—
—
= 2.7 V to 5.5 V, V
t
t
t
t
t
t
WSW1
WSW2
PCH
WSW1
WSW2
PCH
Condition A
684
8 MHz
= 1.0
= 1.0
= 1.0
= 1.5
= 1.0
= 1.5
Max
75
—
—
—
120
240
70
180
—
—
—
—
60
60
70
t
t
CYC
CYC
t
t
t
t
a
CYC
CYC
CYC
CYC
a
= –20°C to +75°C (regular
REF
Min
—
15
–5
20
—
—
—
—
45
25
5
40
—
—
—
= –20°C to +75°C (regular
– 40 (ns)
– 28 (ns)
REF
Condition C
– 40 (ns)
– 38 (ns)
– 28 (ns)
– 29 (ns)
= 4.5 V to AV
16 MHz
= 2.7 V to AV
Max
60
—
—
—
60
120
30
95
—
—
—
—
30
30
40
Unit
ns
ns
ns
CC
CC
,
,
Test
Conditions
Figure 21-7
Figure 21-8
Figure 21-9
Figure 21-21