HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 602

• 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 570 of 610
REJ09B0131-0600
Section 21 Electrical Characteristics
Figure 21.27 Synchronous DRAM Burst Write Bus Cycle (Single Write × 4)
(Bank Active Mode: ACT + WRITE Commands, WTRCD = 0 Cycle,
Note: * An address pin connected to pin A10 of SDRAM
D15 to D0
A25 to A0
RD/WR
DQMxx
CKIO
A11 *
RAS
CAS
CKE
CSn
BS
t
t
t
t
t
AD1
CSD1
DQMD
AD1
RWD
t
RASD
Tr
address
Row
t
RWD
t
t
t
t
WDD2
t
RASD
t
AD1
AD1
CASD
BSD
TRWL = 0 Cycle)
address
Column
Tc1
(High)
t
t
AD1
WDH2
address
Column
Tc2
Write command
t
AD1
Tc3
Column
address
t
t
WDD2
AD1
Tc4
Column
address
t
t
DQMD
t
BSD
t
t
WDH2
t
t
CASD
AD1
t
RWD
AD1
CSD1