HD6417034B RENESAS [Renesas Technology Corp], HD6417034B Datasheet - Page 517

• Manufacturer Part Number: HD6417034B
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Notes: 1. For t
WRH, WRL,
WRH, WRL,
AD15–AD0
AD15–AD0
WR(Read)
RD(Write)
WR(Write)
DPH, DPL
DPH, DPL
RD(Read)
A21–A0
DACK0
DACK1
DACK0
DACK1
(Read)
(Read)
(Write)
(Write)
(Write)
RAS
CAS
2. For t
3. For t
4. t
CK
RDH
Figure 20.13 DRAM Bus Cycle: (Long-Pitch, Normal Mode)
CAC2
ACC2
RAC2
is measured from A21–A0, CAS, or RAS, whichever is negated first.
, use t
, use t
, use t
T
p
cyc
cyc
cyc
(n + 1) – 25 instead of t
(n + 2) – 30 instead of t
(n + 2.5) – 20 instead of t
t
t
RASD1
AD
t
RAC2
T
r
*3
Row
t
t
RAH
ACC2
t
t
WPDD1
t
DACD1
t
t
t
RDD
WSD1
AD
WDD1
*2
T
c1
Rev. 7.00 Jan 31, 2006 page 491 of 658
t
cyc
cyc
DACD3
t
cyc
CAC2
Section 20 Electrical Characteristics
(n + 1) – t
(n + 2) – t
Column
*1
(n + 2.5) – t
t
WSD2
t
t
DS
CASD2
t
WCH
T
c2
t
DACD3
CASD2
AD
t
RDS
– t
RASD1
RDS
t
t
t
t
RSD
WDH
WPDH
– t
DACD2
REJ09B0272-0700
RDS
.
– t
t
.
RDS
RDH
t
t
CASD3
RASD2
.
*4