參數(shù)資料
型號: μPD4265165
廠商: NEC Corp.
英文描述: 64 M-Bit Dynamic Ram(64M 動態(tài)存儲器)
中文描述: 64 m位動態(tài)隨機存儲器(6400動態(tài)存儲器)
文件頁數(shù): 28/48頁
文件大小: 535K
代理商: ΜPD4265165
μ
PD42S65165, 4265165
28
Hyper Page Mode (EDO) Byte Read Cycle
t
RCS
t
ASR
t
RAH
Row
Data out
Hi - Z
t
CAH
t
RAC
t
AA
t
CAC
t
CLZ
t
RASP
t
CRP
t
CSH
t
RSH
t
HPC
RASV
IH
V
IL
V
IH
V
IL
WE
V
IH
V
IL
OEV
IH
V
IL
V
OH
V
OL
Address
V
IH
V
IL
t
ACP
t
AA
t
CAC
UCAS
L I/O
Data out
t
RP
t
RCD
t
HCAS
Data out
t
OEA
t
OLZ
t
ASC
Col.
Col.
Col.
t
ACP
t
AA
t
CAC
t
CLZ
t
DHC
Hi - Z
t
OEZ
t
DHC
t
ASC
t
CAH
t
HCAS
t
CP
t
CP
t
MRH
t
HCAS
t
RAD
t
CRP
t
ASC
t
CAH
t
RAL
t
OFR
t
OFC
t
CPN
t
RHCP
t
CHO
t
WEZ
t
RCH
t
RRH
t
WPZ
V
OH
V
OL
U I/O
V
IH
V
IL
LCAS
t
OCH
Remarks 1.
In the hyper page mode (EDO), read, write and read modify write cycles are available for each of the
consecutive CAS cycles within the same RAS cycle.
2.
This cycle can be used to control either UCAS or LCAS only. Or, it can be used to control UCAS
or LCAS simultaneously, or at random.
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