Datasheet

Section 24 Electrical Characteristics
Rev. 3.00 Mar 17, 2006 page 895 of 926
REJ09B0283-0300
Tp
t
AD2
φ
SDRAMφ
Address bus
Data bus
RAS
RAS
CAS
CAS
WE
WE
CKE
CKE
Precharge-sel
DQMU,
DQML
Data bus
DQMU,
DQML
Tr T c1 Tw Tc2
Write
Read
t
CSD4
t
DQMD
t
RDS3
t
RDH3
t
CSD4
t
CSD4
t
CSD4
t
CSD4
t
CSD4
t
CSD4
t
CSD4
t
DQMD
t
CSD4
t
CSD4
t
CSD4
t
CSD4
t
DQMD
t
DQMD
t
WDD
t
WDH4
t
CSD4
t
CSD4
High
High
Figure 24.26 Synchronous DRAM Basic Access Timing (CAS Latency 2)
Note: Not supported in the H8S/2678 Group.