HD6417751RBP240V Datasheet, PDF (1147/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

23. Electrical Characteristics
CKIO
Address
CSn
RD/WR
RAS
CASn
Tpc
Tr1
Tr2
Tc1
Tc2
Tc1
Tc2
Tc1
Tc2
Tc1
Tc2
t_AD
t_AD
Row
c1
c2
t_CSD
t_RWD
t_AD
c8
t_CSD
t_RWD
t_RASD t_RASD
t_CASD1
t_CASD1
t_CASD1
t_CASD1
t_CASD1
D31–D0
(read)
D31–D0
(write)
BS
DACKn
(SA: IO ← memory)
DACKn
(SA: IO → memory)
t_RDS
t_RDH
d1
d2
t_WDD
t_WDD
d1
t_WDD
d2
t_BSD t_BSD
t_DACD t_DACD
t_DACD t_DACD
t_DACD
t_DACD
t_RDS
d8
t_RDH
d8
t_WDD
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.45 DRAM Burst Bus Cycle: RAS Down Mode State
(Fast Page Mode, RCD [1:0] = 00, AnW [2:0] = 000)
Rev.4.00 Oct. 10, 2008 Page 1047 of 1122
REJ09B0370-0400