SH7280 Datasheet, PDF (1634/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 31 Electrical Characteristics
Item
Read data hold time 1
Read data hold time 2
Symbol
t
RDH1
Min.
0
Bφ = 50 MHz*
Max.

t_RDH2
5

Read data hold time 3 t
RDH3
Read data hold time 4 t
RDH4
Write enable delay time 1 t
WED1
Write enable delay time 2 t
WED2
Write data delay time 1 t_WDD1
Write data delay time 2 t_WDD2
0
1/2t + 5
cyc
1/2t + 1
cyc





1/2t + 20
cyc
20
20
20
Write data delay time 3 t
WDD3

Write data hold time 1 t
1
WDH1
Write data hold time 2 t
1
WDH2
1/2t + 20
cyc


Write data hold time 3
WAIT setup time
WAIT hold time
RAS delay time 1
RAS delay time 2
t_WDH3
t
WTS
t
WTH
t_RASD1
t_RASD2
1/2t_cyc + 1

1/2t + 20
cyc

1/2t + 10
cyc

1
20
1/2t_cyc + 1
1/2t_cyc + 20
Unit Figure
ns Figures 31.11 to
31.15, 31.17, 31.38
ns Figures 31.16, 31.19
to 31.22, 31.27 to
31.29
ns Figure 31.18
ns Figure 31.36
ns Figures 31.11 to
31.15, 31.38
ns Figure 31.17
ns Figures 31.11 to
31.17, 31.38
ns Figures 31.23 to
31.26, 31.30 to
31.32
ns Figure 31.36
ns Figures 31.11 to
31.17, 31.38
ns Figures 31.23 to
31.26, 31.30 to
31.32
ns Figure 31.36
ns Figures 31.12 to
31.18
ns Figures 31.12 to
31.18
ns Figures 31.19 to
31.35
ns Figures 31.36, 31.37
Rev. 1.00 Jun. 26, 2008 Page 1604 of 1692
REJ09B0393-0100