Ac Characteristics - Hitachi F-ZTAT H8/3039 Series Hardware Manual

18.1.3 AC Characteristics

Bus timing parameters are listed in table 18-4. Control signal timing parameters are listed in table
18-5. Timing parameters of the on-chip supporting modules are listed in table 18-6.
Table 18-4 Bus Timing
Condition A: V
CC
MHz, T
range specifications)
Condition B: V
CC
MHz, T
range specifications)
Condition C: V
CC
MHz, T
range specifications)
Item
Clock cycle time
Clock low pulse width
Clock high pulse width
Clock rise time
Clock fall time
Address delay time
Address hold time
Address strobe delay time
Write strobe delay time
Strobe delay time
Write data strobe pulse width 1
Write data strobe pulse width 2
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
= 2.7 V to 5.5 V, AV
= –20°C to +75°C (regular specifications), T
a
= 3.0 V to 5.5 V, AV
= –20°C to +75°C (regular specifications), T
a
= 5.0 V ± 10%, AV
CC
= –20°C to +75°C (regular specifications), T
a
Condition A Condition B Condition C
8 MHz
Symbol Min
t 125
cyc
t 40
CL
t 40
CH
t —
Cr
t —
Cf
t —
AD
t 25
AH
t —
ASD
t —
WSD
t —
SD
t * 85
WSW1
t * 150
WSW2
t 20
AS1
t 80
AS2
t 50
RDS
t 0
RDH
= 2.7 V to 5.5 V, V
CC
= 3.0 V to 5.5 V, V
CC
= 5.0 V ± 10%, V
SS
10 MHz
Max Min Max
500 100 500
— 30 —
— 30 —
20 — 15
20 — 15
60 — 50
— 20 —
60 — 40
60 — 50
60 — 50
— 60 —
— 110 —
— 15 —
— 65 —
— 35 —
— 0 —
= AV = 0 V, ø = 2 MHz to 8
SS SS
= –40°C to +85°C (wide-
a
= AV = 0 V, ø = 2 MHz to 10
SS SS
= –40°C to +85°C (wide-
a
= AV = 0 V, ø = 2 MHz to 18
SS
= –40°C to +85°C (wide-
a
18 MHz
Min Max Unit
55.5 500 ns
17 —
17 —
— 10
— 10
— 25
10 —
— 25
— 25
— 25
32 —
62 —
10 —
38 —
15 —
0 —
Test
Conditions
Figure 18-7,
Figure 18-8
527