参数资料
型号: MSM514900CSL
厂商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 512K×9 Dynamic RAM(512K×9动态RAM)
中文描述: 为512k × 9的动态随机存储器(为512k × 9动态内存)
文件页数: 11/11页
文件大小: 256K
代理商: MSM514900CSL
11/16
Semiconductor
MSM514900C/CSL
Fast Page Mode Read Cycle
Fast Page Mode Write Cycle (Early Write)
"H" or "L"
RAS
CAS
V
IH
V
IL
V
IH
V
IL
DQ
V
IH
V
IL
Address
V
IL
WE
V
IH
V
IL
t
RASP
t
PC
t
RP
t
AR
t
CRP
t
RCD
t
CAS
t
CP
t
CAS
t
RSH
t
CRP
t
CAS
t
ASR
t
RAH
t
CAH
t
CSH
t
ASC
t
CAH
t
ASC
t
CAH
t
RAL
Row
Column
Column
Column
t
RAD
t
WCS
t
WCH
t
WP
t
WCS
t
WCH
t
WP
t
WCS
t
WCH
t
WP
t
DS
t
DH
t
DS
t
DH
t
DS
t
DH
Valid Data-in
Valid
Data-in
Valid
Data-in
t
DHR
Note:
OE
= "H" or "L"
V
IH
t
ASC
t
RHCP
t
CP
t
CWL
t
CWL
t
RWL
t
CWL
t
WCR
"H" or "L"
RAS
CAS
V
IH
V
IL
V
IH
V
IL
DQ
V
OH
V
OL
Address
V
IH
V
IL
WE
V
IH
V
IL
OE
V
IH
V
IL
t
RASP
t
RP
t
AR
t
CRP
t
RCD
t
PC
t
RSH
t
CRP
t
CAS
t
CAS
t
CP
t
CAS
t
RAD
t
ASR
t
RAH
t
ASC
t
CAH
t
CSH
t
ASC
t
CAH
t
ASC
t
CAH
t
RAL
Row
Column
Column
Column
t
RCS
t
RCH
t
RCS
t
RCS
t
RCH
t
AA
t
OEA
t
AA
t
AA
t
RRH
t
OEA
t
OEA
t
CAC
t
RAC
t
OFF
t
OEZ
t
CAC
t
CLZ
t
OFF
t
OEZ
Valid
Data-out
t
CAC
t
CLZ
t
OEZ
Valid
Data-out
t
OFF
t
CLZ
Valid
Data-out
t
RHCP
t
CP
t
RCH
t
CPA
t
CPA
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