msm514400d Oki Semiconductor, msm514400d Datasheet - Page 12

• 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 Modify Write Cycle
RAS-Only Refresh Cycle
Address
Address
RAS
CAS
DQ
RAS
CAS
WE
DQ
OE
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
OH
OL
I/OH
I/OL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL










–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
t
ASR
Row
t
RAH
t
t
CRP
t
RAD
ASR
t
t
OFF
t
RAC
t
Row
ASC
RCD
t
AR
Column
t
t
RAH
t
RCS
RWD
t
t
CSH
AA
t
CLZ
t
t
CAC
AWD
t
t
CWD
CAH
Out
t
t
t
CAS
OEA
DS
t
OEZ
t
OED
Note: WE, OE = "H" or "L"
In
t
t
WP
CWL
t
t
t
CP
DH
ASC
t
RAS
Column
t
t
t
CPA
CLZ

RASP
t
t
t
t
t
AA
RCS
CAH
CAC
CPWD
t
AWD
t
CWD
t
t
RC
Out
CAS
t
t
t
OEA
PRWC
DS
Open
t
OEZ
t
OED
In
t
t
CWL
WP


t
t
t
ASC
DH
CP
Column
t
t
RPC
CLZ
t
t
t
t
t
CPWD
CPA
CAH
t
AA
RCS
CAC
t
AWD
t
t
CWD
t
CAS
RP
t
t
Out
t
t
RAL
ROH
t
OEA
DS
MSM514400D/DL
RSH
t
OEZ
t
OED
In
t
t
DH
t
RWL
CWL
t
WP
"H" or "L"
"H" or "L"
t
CRP
t
RP
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