參數(shù)資料
型號(hào): MB814405D-70
廠商: Fujitsu Limited
英文描述: 1M ×4BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 100萬(wàn)× 4位超頁(yè)模式動(dòng)態(tài)RAM的CMOS(100萬(wàn)× 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): 16/29頁(yè)
文件大?。?/td> 596K
代理商: MB814405D-70
16
MB814405D-60/60L/-70/70L
t
RCH
Fig. 9 – HYPER PAGE MODE READ CYCLE
RAS
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
CAS
WE
DQ
(Input)
A
0
to A
9
V
OH
V
OL
DQ
(Output)
V
IH
V
IL
OE
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.
“H” or “L”
Valid Data
During one cycle is achieved, the input/output timing apply the same manner as the former cycle.
t
OFR
t
RASP
t
ASC
t
RCS
t
RHCP
t
RP
t
RCD
ROW
ADD
COL
ADD
t
CAS
t
RSH
t
HPC
t
CAS
t
CAS
t
CP
t
RCH
t
RCS
t
RCS
t
DZC
t
CPA
t
CAH
t
AR
t
CAH
t
RAH
t
ASC
t
RRH
t
CAH
t
ASC
t
RCH
t
CDD
t
ON
t
CAC
t
ON
t
RAC
t
AA
t
RAD
COL
ADD
COL
ADD
t
CSH
t
RAL
HIGH-Z
HIGH-Z
t
DZO
t
AA
HIGH-Z
t
RDD
HIGH-Z
t
OH
t
OEZ
t
OED
t
CPA
t
OH
t
ON
t
OHC
t
CAC
t
OHC
t
OH
t
CRP
t
ASR
t
OFF
相關(guān)PDF資料
PDF描述
MB814405D-7OL 1M ×4BIT Hyper Page Mode Dynamic RAM(CMOS 1M ×4 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
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