SH7146 Datasheet, PDF (958/1022 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 24 Electrical Characteristics
24.3.3 AC Bus Timing
Table 24.7 Bus Timing
Conditions: V_CC = 4.0 V to 5.5 V, AV_CC = 4.0 V to 5.5 V, V_SS = PLLV_SS = AV_SS = 0 V,
T_a = –20°C to +85°C (consumer applications)*³,
T_a = –40°C to +85°C (industrial applications)
Item
Address delay time 1
Symbol Min.
t
1
AD1
Max.
Unit
20
ns
Address setup time
t_AS
0
—
ns
Address hold time
t
0
AH
—
ns
CS delay time
t
1
CSD
20
ns
CS setup time
t
0
CSS
—
ns
CS hold time
t_CSH
0
—
ns
Read strobe delay time
t
1/2t + 1 1/2t + 20 ns
RSD
Bcyc
Bcyc
Read data setup time 1
t
1/2t + 20 —
ns
RDS1
Bcyc
Read data hold time 1
Read data access time
Access time from read strobe
Write strobe delay time 1
t_RDH1
t_ACC*²
t_OE*²
t_WSD1
0
—
ns
t × (n +1.5) —
ns
Bcyc
− 35*¹
t_Bcyc × (n + 1) —
ns
− 35*¹
1/2t_Bcyc + 1
1/2t_Bcyc + 20 ns
Write data delay time 1
t
—
WDD1
20
ns
Write data hold time 1
t_WDH1
1
11
ns
Write data hold time
t_WRH
0
—
ns
Reference Figure
Figures 24.11 to
24.15
Figures 24.11 to
24.14
Figures 24.11 to
24.14
Figures 24.11 to
24.15
Figures 24.11 to
24.14
Figures 24.11 to
24.14
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.15
Figures 24.11 to
24.14
Rev. 3.00 May 17, 2007 Page 914 of 974
REJ09B0229-0300