HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 991

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

(Four Write Cycles) (Auto Precharge, WTRCD = 0 Cycle, TRWL = 1 Cycle)
A12/A11*
D31 to D0
A25 to A0
DACKn*
RASU/L
CASU/L
RD/WR
DQMxx
CKIO
CKE
CSn
BS
1
2
Figure 25.29 Synchronous DRAM Burst Write Bus Cycle
Note:
t
t
t
t
t
RASD1
t
AD1
t
AD1
CSD1
DQMD1
DACD
RWD1
1. An address pin to be connected to pin A10 of SDRAM.
2. Waveform for DACKn when active low is selected.
Tr
address
Row
t
t
t
t
t
RWD1
RASD1
WDD2
t
AD1
t
AD1
BSD
CASD1
Tc1
(High)
WRIT command
t
t
WDH2
AD1
Tc2
address
Column
t
AD1
Tc3
Rev. 4.00 Sep. 14, 2005 Page 941 of 982
t
t
t
AD1
WDD2
AD1
Section 25 Electrical Characteristics
Tc4
command
WriteA
t
t
t
t
t
t
t
CSD1
DQMD1
WDH2
BSD
AD1
t
t
RWD1
DACD
CASD1
AD1
Trwl
REJ09B0023-0400