msm514400d Oki Semiconductor, msm514400d Datasheet - Page 9

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


    
           
E2G0094-17-41G
¡ Semiconductor
TIMING WAVEFORM
Read Cycle
Write Cycle (Early Write)
Address
Address
RAS
RAS
CAS
CAS
WE
WE
DQ
DQ
OE
OE
V
V
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
OH
OL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL





    
    
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
t
CRP
ASR
t
t
CRP
ASR
Row


  
Row
t
RAH
Open
t
RAD
t
RAD
t
RAH
t
t
t
RCD
DS
t
t
t
ASC
ASC
RCS
t
RCD
WCS
t
AR
 
Valid Data-in
t
AR
t
Column
t
t
WCR
RAC
DHR
Column
t
CSH
t
t
CSH
CAH
t
t
RAS
t
t
t
WCH
t
AA
CLZ
t
t
CAH
WP
DH
RAS
t
CAC
t
t
CAS
OEA



t
t
t
RAL
t
t
t
RSH
RAL
RSH
CAS
RC
t
CWL
t
RC
t
RWL
t
ROH
Valid Data-out
t
O pen
RRH
t
OEZ
t
OFF
t
RP
t
t
CRP
t
RP
t
RCH
CRP
MSM514400D/DL

"H" or "L"
"H" or "L"
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