msm548262 Oki Semiconductor, msm548262 Datasheet - Page 21

• Manufacturer Part Number: msm548262
• Description: 262,144-word 8-bit Multiport Dram
• Manufacturer: Oki Semiconductor

¡ Semiconductor
Read Transfer 1
Note 1: SE = "L"
Note 2: There must be no rising transitions
Note 3: QSF = "L"-- Lower SAM (0 - 255) is active
SDQ1 - 8
Address
DQ1 - 8
RAS
CAS
TRG
DSF
QSF
WE
SC
  








 


  
QSF = "H"-- Upper SAM (256 - 511) is active
t
SIS
t
SRS
t
t
t
TLS
t
ASR
FSR
WSR
Din
Row
t
SIH
t
t
t
t
RFH
RWH
t
TLH
SC
RAH
t
RAD
t
t
RCD
t
RQD
AR
Note 3
t
 





ASC
SAM Start
t
Note 2
CSH
t
t
RAS
RSD
t
t
CQD
CAH
t
t
CAS
ASD
t
Open
RSH
t
CSD
t
t
RC
RAL
t
t
TSD
TP
t
SCP
t
t
SZS
TQD
  
t
TRP
t
SCA
t
SC
t
RP
t
SCC
Data Out
Note 3
MSM548262
t
"H" or "L"
SOH
t
SCA
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