參數(shù)資料
型號(hào): MB8116405A-70
廠商: Fujitsu Limited
英文描述: CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 4米× 4位超頁(yè)模式動(dòng)態(tài)RAM的CMOS(4米× 4位超級(jí)頁(yè)面存取模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 16/28頁(yè)
文件大?。?/td> 536K
代理商: MB8116405A-70
16
MB8116405A-60/MB8116405A-70
Fig. 8 – HYPER PAGE MODE READ CYCLE
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
“H” or “L”
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 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.
V
IH
V
IL
DQ
(Input)
DQ
(Output)
OE
t
RASP
t
CRP
t
ASR
t
ASC
t
RCS
t
RHCP
t
RP
t
RCD
ROW
COL
ADD
t
CAS
t
RSH
t
HPC
t
CAS
t
CAS
t
CP
t
RCH
t
RCS
t
RCH
t
RCS
t
DZC
t
CPA
t
CAH
t
AR
t
CAH
t
ASC
t
RRH
t
CAH
t
ASC
t
RCH
t
ON
t
CAC
t
ON
t
RAC
t
AA
t
RAD
COL
ADD
COL
ADD
t
CSH
t
RAL
HIGH-Z
t
DZO
t
AA
HIGH-Z
t
RDD
t
OH
t
OFF
t
OH
t
OED
t
CPA
t
ON
t
OHC
t
CAC
t
OHC
t
OFR
t
CDD
t
OEZ
t
OH
VALID
DATA OUT
VALID DATA
OUT
VALID
DATA OUT
t
RAH
During one cycle is achieved in hyper-page mode, the input/output timing apply the same manner as the former cycle.
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