SH7265 Datasheet, PDF (1921/2024 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 36 Electrical Characteristics
Bφ = 66.66 MHz*
Item
Symbol Min.
Max.
Unit Figure
Write data delay time 1
t
WDD1

13
(external space)
ns
Figures 36.11, 36.14
Write data delay time 2
t_WDD2

13
(SDRAM space)
ns
Figures 36.17, 36.19
Write data hold time 1
t
1
WDH1

ns
Figures 36.11, 36.14
(external space)
Write data hold time 2
t
1
WDH2

ns
Figures 36.17, 36.19
(SDRAM space)
External wait setup time
t
7
WTS

ns
Figure 36.15
External wait hold time
t_WTH
2

ns
Figure 36.15
RAS delay time
t_RASD
1
13
ns
Figures 36.16 to
36.22
CAS delay time
t
1
13
ns
Figures 36.16 to
CASD
36.22
DQM delay time
t
1
13
ns
Figures 36.16 to
DQMD
36.22
CKE delay time
t_CKED
1
13
ns
Figure 36.22
Note: * The maximum value (fmax) of Bφ (bus clock) depends on the number of wait cycles and
the system configuration of your board.
Rev. 1.00 Mar. 14, 2008 Page 1885 of 1984
REJ09B0351-0100