參數(shù)資料
型號: MB8117405A-60
廠商: Fujitsu Limited
英文描述: CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 4米× 4位超頁模式動態(tài)RAM的CMOS(4米× 4位超級頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 17/28頁
文件大?。?/td> 348K
代理商: MB8117405A-60
17
MB8117405A-60/MB8117405A-70
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
V
IH
V
IL
t
RASP
t
CRP
t
ASR
t
ASC
t
RCS
t
RHCP
“H” or “L”
t
RP
t
CAS
t
RSH
t
HPC
t
CAS
t
CP
t
CAH
t
CAH
t
RAH
t
ASC
t
RRH
t
CAH
t
ASC
t
RCH
t
CAC
t
CSH
t
RAL
HIGH-Z
t
OFR
t
OFF
t
OH
t
OEZ
t
OED
t
CAC
t
RDD
t
OH
t
OH
t
AA
t
CPA
t
CPA
t
CAC
t
AA
t
ON
t
OEA
t
OECH
t
OEP
t
OH
t
OEA
t
RAC
t
CP
t
CDD
t
AR
t
COL
t
OEA
t
CAL
t
OH
t
OEZ
t
OEZ
HIGH-Z
t
RAD
COL
t
DZC
t
OHC
t
CAS
t
RCD
t
AA
t
DZO
VALID
DATA OUT
VALID
DATA OUT
VALID
DATA OUT
t
ON
Valid output
CAS
Fig. 10 – HYPER PAGE MODE READ CYCLE (OE Control)
RAS
A
0
to A
10
WE
DQ
(Input)
DQ
(Output)
DESCRIPTION
The hyper page mode of operation permits faster successive memory operations at multiple column locations of the same row
address.
This operation is performed by strobing in the row address and maintaining RAS at a Low level and WE at a High level during all
successive memory cycles in which the row address is latched. The access time is determined by t
CAC
, t
AA
, t
CPA
, or t
OEA
, whichever
one is the latest in occurring.
To obtain a high impedance state, set OE or both RAS and CAS going high level.
OE
During one cycle is achieved in hyper-page mode, the input/output timing apply the same manner
as the former cycle.
ROW
ADD
COL
ADD
COL
ADD
相關(guān)PDF資料
PDF描述
MB8117405A-70 CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級頁面存取模式動態(tài)RAM)
MB8117405B-50 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM)
MB8117405B-60 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁面存取模式RAM)
MB8117800A-70 CMOS 2 M ×8BIT Fast Page Mode DRAM(CMOS 2 M ×8 位快速頁面存取模式動態(tài)RAM)
MB8117800A-60 CMOS 2 M ×8BIT Fast Page Mode DRAM(CMOS 2 M ×8 位快速頁面存取模式動態(tài)RAM)
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