參數(shù)資料
型號: MB8116405A-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> 536K
代理商: MB8116405A-60
17
MB8116405A-60/MB8116405A-70
Fig. 9 – HYPER PAGE MODE READ CYCLE (OE = Control)
V
IH
V
IL
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
CAS
A
0
to A
11
WE
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.
DQ
(Input)
DQ
(Output)
During one cycle is achieved in hyper-page mode, the input/output timing apply the same manner
as the former cycle.
t
RASP
t
CRP
t
ASR
t
ASC
t
RCS
t
RHCP
“H” or “L”
t
RP
ROW
COL
ADD
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
COL
ADD
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
OEZ
t
OEA
t
RAC
t
CP
t
CDD
t
AR
t
COL
t
OEA
t
CAL
t
OH
t
OEZ
HIGH-Z
t
RAD
COL
ADD
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
V
IH
V
IL
OE
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