Ac Characteristics - Hitachi H8/3032 Series Hardware Manual

17.2.2 AC Characteristics

Bus timing parameters are listed in table 17-4. Control signal timing parameters are listed in
table 17-5. Timing parameters of the on-chip supporting modules are listed in table 17-6.
Table 17-4 Bus Timing (1)
Condition A: V
Condition B: V
Condition C: V
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
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= 2.7 V to 5.5 V, AV = 2.7 V to 5.5 V, V
CC CC
V = AV = 0 V, ø = 2 MHz to 8 MHz, T
SS SS
specifications), T = –40°C to +85°C (wide-range specifications)
a
= 3.0 V to 5.5 V, AV = 3.0 V to 5.5 V, V
CC CC
V = AV = 0 V, ø = 2 MHz to 10 MHz, T
SS SS
specifications), T = –40°C to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, AV = 5.0 V ± 10%, V
CC CC
V = AV = 0 V, ø = 2 MHz to 16 MHz, T
SS SS
specifications), T = –40°C to +85°C (wide-range specifications)
a
Condition A
8 MHz
Symbol Min Max
t 125 500
CYC
t 40 —
CL
t 40 —
CH
t — 20
CR
t — 20
CF
t — 60
AD
t 25 —
AH
t — 60
ASD
t — 60
WSD
t — 60
SD
t 85 —
*
WSW1
t 150 —
*
WSW2
t 20 —
AS1
t 80 —
AS2
t 50 —
RDS
t 0 —
RDH
= 2.7 V to AV
REF
= –20°C to +75°C (regular
a
= 3.0 V to AV
REF
= –20°C to +75°C (regular
a
= 4.5 V to AV
REF
= –20°C to +75°C (regular
a
Condition B Condition C
10 MHz 16 MHz
Min Max Min Max
100 500 62.5 500
40 — 20 —
30 — 20 —
— 15 — 10
— 15 — 10
— 50 — 30
20 — 10 —
— 40 — 30
— 50 — 30
— 50 — 30
60 — 35 —
110 — 65 —
15 — 10 —
65 — 40 —
35 — 20 —
0 — 0 —
430
,
CC
,
CC
,
CC
Test
Unit Conditions
ns Figure 17-4,
Figure 17-5