HD6417618 RENESAS [Renesas Technology Corp], HD6417618 Datasheet - Page 594

• 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 562 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 21.19 Synchronous DRAM Burst Read Bus Cycle (Single Read × 4)
(Auto-Precharge, CAS Latency = 2, WTRCD = 1 Cycle, WTRP = 0 Cycle)
t
t
t
t
t
t
AD1
CSD1
RASD
AD1
RWD
DQMD
Tr
Row address
t
RASD
Trw
t
t
t
AD1
t
CASD
AD1
BSD
Tc1
Column
address
Read command
(High)
t
AD1
Tc2
address
Column
t
AD1
Td1
address
Tc3
Column
t
RDS2
Read A command
t
AD1
t
AD1
t
RDH2
Td2
Tc4
Column
address
t
t
t
CASD
AD1
BSD
Td3
Td4
t
RDS2
t
t
DQMD
CSD1
t
RDH2
Tde
t
t
RWD
AD1