SH7641 Datasheet, PDF (973/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 25 Electrical Characteristics
25.3.3 AC Bus Timing
Table 25.8 Bus Timing
Conditions: Clock mode 2/6/7, V_CCQ = 3.0 V to 3.6 V, V_SSQ = 0 V, Ta = −40°C to +85°C
Item
Address delay time 1
Address delay time 2
Address delay time 3
Address setup time
Address hold time
BS delay time
CS delay time 1
CS delay time 2
Read write delay time 1
Read write delay time 2
Read strobe delay time
Read data setup time 1
Read data setup time 2
Read data setup time 3
Read data setup time 4
Read data hold time 1
Read data hold time 2
Read data hold time 3
Read data hold time 4
Write enable delay time 1
Write enable delay time 2
Bφ = 50 MHz*
Symbol Min.
Max.
t
AD1
t_AD2
t_AD3
t
AS
t
AH
t
BSD
t
CSD1
t_CSD2
t
RWD1
t_RWD2
t_RSD
1
1/2t_cyc
1/2t_cyc
0
0
—
1
1/2t_cyc
1
1/2t_cyc
1/2t_cyc
12
1/2t_cyc + 12
1/2t_cyc + 12
—
—
12
12
1/2t_cyc + 12
12
1/2t_cyc + 12
1/2t_cyc + 12
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
1/2t + 8 —
ns
RDS1
cyc
t
8
RDS2
—
ns
t_RDS3
1/2t_cyc + 8
—
ns
t
1/2t + 8 —
ns
RDS4
cyc
t_RDH1
0
—
ns
t
2
RDH2
—
ns
t
RDH3
t
RDH4
t
WED1
0
1/2t + 5
cyc
1/2t
cyc
—
ns
—
ns
1/2t + 12 ns
cyc
t_WED2
—
12
ns
Figure(s)
25.13 to 25.39
25.22
25.40, 25.41
25.13 to 25.18
25.13 to 25.17
25.13 to 25.36
25.13 to 25.39
25.40, 25.41
25.13 to 25.39
25.40, 25.41
25.13 to 25.18,
25.20 to 25.22
25.13 to 25.18,
25.20, 25.21
25.23 to 25.26,
25.31 to 25.33
25.22
25.40
25.13 to 25.18,
25.20
25.23 to 25.26,
25.31 to 25.33
25.22
25.40
25.13 to 25.18,
25.20
25.21
Rev. 4.00 Sep. 14, 2005 Page 923 of 982
REJ09B0023-0400