參數(shù)資料
型號(hào): μPD4265405
廠商: NEC Corp.
英文描述: 16,777,216 Words by 4 Bits CMOS Dynamic RAMs(64M 動(dòng)態(tài)RAM)
中文描述: 16,777,216詞由4位的CMOS動(dòng)態(tài)存儲(chǔ)器(RAM的6400動(dòng)態(tài))
文件頁數(shù): 26/36頁
文件大?。?/td> 256K
代理商: ΜPD4265405
μ
PD4264405, 42S65405, 4265405
26
Hyper Page Mode (EDO) Read and Write Cycle
V
IH
V
IL
RAS
V
IH
V
IL
CAS
V
IH
V
IL
Address
V
IH
V
IL
WE
V
IH
V
IL
OE
V
OH
V
OL
I/O
t
RASP
t
RP
t
CRP
t
RCD
t
HCAS
t
CSH
t
CP
t
RHCP
t
RSH
t
HCAS
t
CPN
t
HCAS
t
HPC
t
CP
t
ASR
t
RAH
t
ASC
t
RAD
t
CAH
t
ASC
t
CAH
t
ASC
t
CAH
t
RAL
t
RCS
t
RCH
t
ACP
t
AA
t
CAC
t
WEZ
t
DHC
t
OEA
t
OLZ
t
RAC
t
AA
t
CAC
t
CLZ
Row
Col.
Col.
Col.
Data out
Data out
Hi - Z
t
OEZ
t
WCS
t
WCH
Hi - Z
t
DH
t
DS
Data in
I/O
V
IH
V
IL
t
CHO
t
OCH
Remark
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.
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μPD4265805 8,388,608 Words by 8 Bits CMOS dynamic RAMs(64M 動(dòng)態(tài)RAM)
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