SH7205 Datasheet, PDF (1803/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 33 Electrical Characteristics
Bφ = 66.66 MHz*
Item
Symbol Min.
Max.
Unit Figure
Write data delay time 1
t
WDD1

13
(external space)
ns
Figures 33.11, 33.14
Write data delay time 2
t_WDD2

13
(SDRAM space)
ns
Figures 33.17, 33.19
Write data hold time 1
t
1
WDH1

ns
Figures 33.11, 33.14
(external space)
Write data hold time 2
t
1
WDH2

ns
Figures 33.17, 33.19
(SDRAM space)
External wait setup time
t
7
WTS

ns
Figure 33.15
External wait hold time
t_WTH
2

ns
Figure 33.15
RAS delay time
t_RASD
1
13
ns
Figures 33.16 to
33.22
CAS delay time
t
1
13
ns
Figures 33.16 to
CASD
33.22
DQM delay time
t
1
13
ns
Figures 33.16 to
DQMD
33.22
CKE delay time
t_CKED
1
13
ns
Figure 33.22
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. 25, 2008 Page 1771 of 1868
REJ09B0372-0100