HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 598

• Manufacturer Part Number: HD6417618
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7618 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 6.00 Jun. 12, 2007 Page 566 of 610
REJ09B0131-0600
Section 21 Electrical Characteristics
D15 to D0
A25 to A0
Note: * An address pin connected to pin A10 of SDRAM
RD/WR
DQMxx
CKIO
A11 *
RAS
CAS
CKE
CSn
BS
Figure 21.23 Synchronous DRAM Burst Write Bus Cycle (Single Write × 4)
t
t
t
t
t
(Auto-Precharge, WTRCD = 1 Cycle, TRWL = 1 Cycle)
DQMD
AD1
AD1
CSD1
RWD
t
RASD
Tr
Row address
t
RASD
Trw
(High)
t
RWD
t
t
t
WDD2
t
t
AD1
AD1
CASD
BSD
address
Column
Tc1
Write command
t
t
WDH2
AD1
address
Tc2
Column
t
AD1
Tc3
address
Column
t
t
WDD2
t
AD1
Write A command
AD1
Tc4
address
Column
t
t
DQMD
t
t
BSD
t
WDH2
t
CASD
AD1
t
t
RWD
CSD1
AD1
Trwl