msm548262 Oki Semiconductor, msm548262 Datasheet - Page 23

• Manufacturer Part Number: msm548262
• Description: 262,144-word 8-bit 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
SDQ1 - 8
Address
DQ1 - 8
RAS
TRG
CAS
DSF
QSF
WE
SC
  








 



QSF = "H"-- Upper SAM (256 - 511) is active
Data Out
Note 2
(255)
t
t
511
t
STS
t
TLS
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
(Si+256)
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
(510)
254
Data Out
t
RP
(511)
255
t
SQD
MSM548262
Data Out
"H" or "L"
Note 2
Sj+256
(S j)
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