參數(shù)資料
型號(hào): μPD4264800
廠商: NEC Corp.
英文描述: 64 M-Bit Dynamic RAM(64M 動(dòng)態(tài)RAM)
中文描述: 64 m位動(dòng)態(tài)隨機(jī)存儲(chǔ)器(RAM的6400動(dòng)態(tài))
文件頁數(shù): 17/28頁
文件大?。?/td> 263K
代理商: ΜPD4264800
μ
PD4264800, 4265800
17
Fast Page Mode Read Cycle
RAS
V
IH–
V
IL–
CAS
V
IH–
V
IL–
t
RASP
t
RHCP
t
RSH
t
PC
t
CSH
t
CPN
t
CAS
t
CP
t
CAS
t
CP
t
CAS
t
RCD
t
CRP
t
RP
Address
V
IH–
V
IL–
t
ASR
t
RAH
Row
t
ASC
t
RAD
Col.
t
CAH
t
ASC
Col.
t
CAH
t
ASC
Col.
t
CAH
t
RAL
WE
V
IH–
V
IL–
t
RCS
t
RCH
t
RCH
t
RCS
t
RCS
t
RRH
t
RCH
OE
V
IH–
V
IL–
t
OES
I/O
V
OH–
V
OL–
t
RAC
t
AA
t
CAC
t
CLZ
t
OEA
t
OLZ
Data out
Data out
t
OEA
t
OLZ
t
ACP
t
OEZ
t
OFF
t
CAC
t
CLZ
t
AA
t
OEA
t
OLZ
t
ACP
t
OEZ
t
OFF
t
CAC
t
CLZ
t
AA
Data out
t
OEZ
t
OFF
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Remark
In the fast page mode, read, write and read modify write cycles are available for each of the consecutive
CAS cycles within the same RAS cycle.
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