HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 986

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

Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 936 of 982
REJ09B0023-0400
A12/A11*
D31 to D0
A25 to A0
DACKn*
RASU/L
CASU/L
RD/WR
DQMxx
CKIO
CKE
CSn
(Auto Precharge, CAS Latency 2, WTRCD = 1 Cycle, WTRP = 1 Cycle)
BS
1
2
Note: 1. An address pin to be connected to pin A10 of SDRAM.
Figure 25.24 Synchronous DRAM Single Read Bus Cycle
t
t
2. Waveform for DACKn when active low is selected.
t
t
t
t
AD1
AD1
t
RWD1
RASD1
DQMD1
CSD1
DACD
Tr
Row address
t
RASD1
Trw
t
t
t
AD1
t
AD1
CASD1
BSD
Tc1
command
Column address
ReadA
(High)
t
t
t
AD1
BSD
CASD1
Tcw
Td1
t
RDS2
t
t
t
t
DQMD1
DACD
CSD1
RDH2
Tde
t
t
RWD1
AD1
Tap