HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 1001

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

A12/A11*
Figure 25.39 Synchronous DRAM Mode Register Write Timing (WTRP = 1 Cycle)
D31 to D0
A25 to A0
DACKn*
RASU/L
CASU/L
RD/WR
DQMxx
CKIO
CKE
CSn
BS
1
2
Note:
t
t
t
t
AD1
t
RASD1
CSD1
RWD1
PALL
AD1
Tp
1. An address pin to be connected to pin A10 of SDRAM.
2. Waveform for DACKn when active low is selected.
3. Pins D31 to D16 with weak keeper are retained as weak keepers.
t
t
t
RWD1
RASD1
CSD1
Tpw
t
t
t
CSD1
CASD1
RASD1
REF
Trr
t
t
t
CSD1
RASD1
CASD1
Trc
(Hi-Z)*
Trc
3
t
t
t
CSD1
CASD1
REF
RASD1
Trr
t
t
t
CSD1
CASD1
RASD1
Trc
Rev. 4.00 Sep. 14, 2005 Page 951 of 982
Section 25 Electrical Characteristics
Trc
t
t
Tmw
MRS
t
t
t
AD1
CSD1
RWD1
CASD1
RASD1
REJ09B0023-0400
t
t
t
t
CSD1
RWD1
RASD1
CASD1
Tde
t
t
t
AD1
RWD1
AD1