Ac Characteristics - Renesas F-ZTAT H8 Series Hardware Manual

Section 21 Electrical Characteristics
21.2.2

AC Characteristics

Bus timing parameters are listed in table 21.4. Refresh controller bus timing parameters are listed
in table 21.5. Control signal timing parameters are listed in table 21.6. Timing parameters of the
on-chip supporting modules are listed in table 21.7.
Table 21.4 Bus Timing
Conditions: V = 5.0 V ±10%, AV
CC
V = AV
SS
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 t
Write data strobe pulse width 2 t
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
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
Rev. 3.00 Mar 21, 2006 page 636 of 814
REJ09B0302-0300
= 5.0 V ±10%, V
CC
= 0 V, φ = 2 MHz to 25 MHz, T
SS
Symbol
t
cyc
t
CL
t
CH
t
CR
t
CF
t
AD
t
AH
t
ASD
t
WSD
t
SD
WSW1
WSW2
t
AS1
t
AS2
t
RDS
t
RDH
t
WDD
t
WDS1
t
WDS2
t
WDH
t
ACC1
t
ACC2
= 4.5 V to AV
REF
= –20°C to +75°C
a
Conditions
Min Max
40 500
10 —
10 —
— 10
— 10
— 25
0.5 t - 20 —
cyc
— 25
— 25
— 25
1.0 t - 25 —
cyc
1.5 t - 25 —
cyc
0.5 t - 20 —
cyc
1.0 t - 20 —
cyc
15 —
0 —
— 35
1.0 t - 30 —
cyc
-10 —
0.5 t - 15 —
cyc
— 1.5 t - 40
cyc
— 2.5 t - 40
cyc
,
CC
Test
Unit Conditions
ns Figure 21.4,
Figure 21.5