參數(shù)資料
型號(hào): μPD4265165
廠商: NEC Corp.
英文描述: 64 M-Bit Dynamic Ram(64M 動(dòng)態(tài)存儲(chǔ)器)
中文描述: 64 m位動(dòng)態(tài)隨機(jī)存儲(chǔ)器(6400動(dòng)態(tài)存儲(chǔ)器)
文件頁數(shù): 26/48頁
文件大?。?/td> 535K
代理商: ΜPD4265165
μ
PD42S65165, 4265165
26
Lower Byte Read Modify Write Cycle
V
IH
V
IL
RAS
V
IH
V
IL
UCAS
LCAS
V
IH
V
IL
Address
V
IH
V
IL
WE
V
IH
V
IL
L I/O
V
IH
V
IL
OE
L I/O
V
IH
V
IL
V
OH
V
OL
Row
Col.
t
RWC
t
RAS
t
RP
t
CSH
t
CRP
t
RCD
t
RSH
t
CAS
t
CPN
t
ASR
t
RAH
t
RAD
t
ASC
t
CAH
t
RWD
t
AWD
t
CWD
t
RCS
t
CWL
t
RWL
t
WP
t
OEH
t
OEA
Data in
Hi - Z
t
RAC
t
AA
t
CAC
t
OED
t
DS
t
DH
t
OEZ
Data out
Hi - Z
t
OLZ
t
CLZ
t
CRP
t
MRH
Remark
In this cycle, the input data to Upper I/O is ineffective. The data out of that remains Hi-Z.
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