msm514400d Oki Semiconductor, msm514400d Datasheet - Page 11

• Manufacturer Part Number: msm514400d
• Description: 1,048,576-word ? 4-bit Dynamic Ram Fast Page Mode Type
• Manufacturer: Oki Semiconductor




        




¡ Semiconductor
Fast Page Mode Read Cycle
Fast Page Mode Write Cycle (Early Write)
Address
Address
RAS
RAS
CAS
CAS
WE
WE
DQ
DQ
OE
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
OH
OL
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–



     
  
t
t
t
t
CRP
ASR
ASR
CRP
Row
Row
t
t
RAH
t
t
RAH
t
RAD
RAD
WCS
t
RCD
t
t
t
Valid Data-in
RCS
DS
RCD
t
t
ASC
t
ASC
DHR
t
t
t
AR
RAC
AR
Column
t
Column
t
CLZ
WCR
t
t
t
t
WP
CAH
DH
t
WCH
t
t
t
CAH
t
CWL
CSH
AA
CAC
t
t
t
OEA
t
CAS
CAS
CSH
Data-out
Valid
t
t
OEZ
RCH


t
OFF
t
t
WCS
t
CP
t
t
CP
ASC
ASC
t
DS
t
Column
Column
Data-in
CPA
Valid
t


RASP
t
RASP
t
t
t
t
t
t
t
CAH
PC
t
t
DH
RCS
CAH
CLZ
PC
t
t
WCH
WP
AA
CAC
t
t
OEA
CWL
t
t
CAS
CAS
Note: OE = "H" or "L"
Data-out
t
RCH
Valid
t
OEZ
t
t
OFF
WCS
t
t
t
CP
t
CP
ASC
ASC
t
DS
t
Column
Column
CPA
Data-in
Valid
t
t
 
RHCP
RHCP
t
t
t
t
t
t
CAH
CAH
RCS
t
CLZ
WCH
t
DH
t
CAC
t
WP
AA
t
t
t
OEA
RWL
CWL
RAL
t
t
t
CAS
t
CAS
t
RSH
RSH
RAL
MSM514400D/DL
Data-out
t
RRH
Valid
t
OEZ
t
t
t
t
t
CRP
RP
RP
CRP
OFF
"H" or "L"
"H" or "L"
t
RCH
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