HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 990
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417641.pdf
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Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 940 of 982
REJ09B0023-0400
A12/A11*
D31 to D0
A25 to A0
DACKn*
RASU/L
CASU/L
RD/WR
DQMxx
Figure 25.28 Synchronous DRAM Single Write Bus Cycle
CKIO
(Auto Precharge, WTRCD = 2 Cycles, TRWL = 1 Cycle)
CKE
Note: 1. An address pin to be connected to pin A10 of SDRAM.
CSn
BS
1
2
2. Waveform for DACKn when active low is selected.
t
t
t
t
t
t
t
RASD1
DACD
AD1
AD1
CSD1
DQMD1
RWD1
Tr
t
RASD1
Row address
Trw
(High)
Trw
t
t
t
t
t
t
AD1
AD1
RWD1
WDD2
BSD
CASD1
Tc1
command
address
Column
WriteA
t
t
t
t
t
t
t
t
BSD
t
WDH2
AD1
CSD1
DQMD1
CASD1
DACD
RWD1
AD1
Trwl
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