English
Language : 

HD6473032F16 Datasheet, PDF (666/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
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: VCC = 5.0 V ±10%, AVCC = 5.0 V ±10%, VREF = 4.5 V to AVCC,
VSS = AVSS = 0 V, φ = 2 MHz to 25 MHz, Ta = –20°C to +75°C
Item
Symbol
Clock cycle time
tcyc
Clock pulse low width
tCL
Clock pulse high width
tCH
Clock rise time
tCR
Clock fall time
tCF
Address delay time
tAD
Address hold time
tAH
Address strobe delay time
tASD
Write strobe delay time
tWSD
Strobe delay time
tSD
Write data strobe pulse width 1 tWSW1
Write data strobe pulse width 2 tWSW2
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
tAS1
tAS2
tRDS
tRDH
tWDD
tWDS1
tWDS2
tWDH
tACC1
tACC2
Conditions
Min
Max
40
500
10
—
10
—
—
10
—
10
—
25
0.5 tcyc - 20 —
—
25
—
25
—
25
1.0 tcyc - 25 —
1.5 tcyc - 25 —
0.5 tcyc - 20 —
1.0 tcyc - 20 —
15
—
0
—
—
35
1.0 tcyc - 30 —
-10
—
0.5 tcyc - 15
—
—
—
1.5 tcyc - 40
2.5 tcyc - 40
Unit
ns
Test
Conditions
Figure 21.4,
Figure 21.5
Rev. 3.00 Mar 21, 2006 page 636 of 814
REJ09B0302-0300