msm548263 Oki Semiconductor, msm548263 Datasheet - Page 24

• Manufacturer Part Number: msm548263
• Description: Msm548263256k X 8 Multiport Dram
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Split Read Transfer
Note 1: SE = "L"
Note 2: QSF = "L"-- Lower SAM (0 - 255) is active
Note 3: Si is the SAM start address in before SRT
Note 4: STOP i and STOP j are programmable stop addresses
SDQ1 - 8
Address
DQ1 - 8
RAS
TRG
CAS
DSF
QSF
WE
SC
  








 



QSF = "H"-- Upper SAM (256 - 511) is active
Data Out
Note 2
STOP i
t
t
t
TLS
STS
t
t
ASR
t
FSR
WSR
t
SOH
SCA
t
SQD
Row
t
t
t
RFH
RWH
t
TLH
RAH
t
RAD
Data Out
t
t
RCD
AR
S i
t
t
SOH
SCA
t
 







ASC
SAM Start Sj
t
RTH
t
t
SCP
CSH
t
RAS
t
SCC
t
Data Out
CAH
t
ATH
t
t
t
SC
CAS
CTH
t
Open
RSH
t
t
RC
RAL
Note 2
Data Out
STOP
j - 1
Data Out
t
RP
STOP j
t
SQD
MSM548263
Data Out
"H" or "L"
Note 2
S j
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