Ac Characteristics - Renesas F-ZTAT H8 Series Hardware Manual

22.2.3

AC Characteristics

Bus timing parameters are listed in table 22.14. Refresh controller bus timing parameters are listed
in table 22.15. Control signal timing parameters are listed in table 22.16. Timing parameters of the
on-chip supporting modules are listed in table 22.17.
Table 22.14 Bus Timing
Condition A: V = 2.7 V to 5.5 V, AV
CC
V = AV
SS
specifications), T
Condition C: V = 5.0 V ± 10%, AV
CC
V = AV
SS
specifications), T
Item
Clock cycle time
Clock pulse low width
Clock pulse high 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, V
CC
= 0 V, φ = 1 MHz to 8 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, V
CC
= 0 V, φ = 1 MHz to 16 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
Condition A
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
Section 22 Electrical Characteristics
= 2.7 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 C
8 MHz 16 MHz
Max Min
1000 62.5
— 20
— 20
20 —
20 —
60 —
— 10
60 —
60 —
60 —
— 35
— 65
— 10
— 40
— 20
— 0
Rev. 7.00 Sep 21, 2005 page 703 of 878
,
CC
,
CC
Test
Max Unit
Conditions
1000 ns Figure 22.7,
Figure 22.8
—
—
10
10
30
—
30
30
30
—
—
—
—
—
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REJ09B0259-0700