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HD6417751RBP240V Datasheet, PDF (1151/1226 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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CKIO
A25âA0
CSn
RD/WR
RAS
CASn
D31âD0
(write)
TRr1
TRr2
TRr3
TRr4
tAD
tCSD
tRWD
tRASD
tRASD
tCASD1
tCASD1
tWDD
23. Electrical Characteristics
TRr5
Trc
Trc
Trc
tRASD
tCASD1
BS
DACKn
(SA: IO â memory)
DACKn
(SA: IO â memory)
tDACD
tDACD
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.49 DRAM Bus Cycle: DRAM Self-Refresh (TRC [2:0] = 001)
Rev.4.00 Oct. 10, 2008 Page 1051 of 1122
REJ09B0370-0400
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