MD51V65400E Oki Semiconductor, MD51V65400E Datasheet - Page 12

• Manufacturer Part Number: MD51V65400E
• Description: 16,777,216-word ? 4-bit Dynamic Ram Fast Page Mode Type
• Manufacturer: Oki Semiconductor

CAS before RAS Refresh Cycle
Hidden Refresh Read Cycle
OKI Semiconductor
Address
CAS
RAS
WE
OE
DQ
RAS
CAS
WE
DQ
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
V
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IL
IL
IL
t
ASR
t
CRP
Open
Row
t
RPC
t
t
RAH
CP
t
RP
t
RAD
t
OFF
t
RCS
t
RCD
t
t
t
t
ASC
RAC
CSR
WRP
Column
t
t
CLZ
RAS
t
t
AA
RC
t
CAH
t
t
t
t
CAC
OEA
RSH
t
WRH
t
CHR
RAL
t
ROH
Note: OE, Address = “H” or “L”
t
RAS
t
RRH
Valid Data-out
t
RP
t
WRP
Open
t
t
WRH
RC
t
CHR
t
RAS
t
RPC
t
RC
FEDD51V65400E-03
t
t
OFF
OEZ
t
RP
MD51V65400E
t
“H” or “L”
WRP
“H” or “L”
t
RP
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