參數(shù)資料
型號(hào): MB8117400A-70
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×4 BIT Fast Page Mode DRAM(CMOS 4 M ×4位快速頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 4米× 4位快速頁(yè)面模式的DRAM(的CMOS 4米× 4位快速頁(yè)面存取模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 17/27頁(yè)
文件大?。?/td> 304K
代理商: MB8117400A-70
17
MB8117400A-50/MB8117400A-60/MB8117400A-70
DESCRIPTION
The fast 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.
Fig. 8 – FAST PAGE MODE READ CYCLE
DQ
(
Output)
DQ
(Input)
“H” or “L”
Valid Data
COL
ADD
ROW
ADD
COL
ADD
COL
ADD
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
t
DZC
t
RASP
t
RHCP
t
RSH
t
PC
t
CSH
t
CP
t
CAS
t
CRP
t
RCD
t
ASR
t
RAD
t
RAH
t
ASC
t
CAH
t
ASC
t
CAH
t
CAH
t
RCS
t
RCH
t
RCS
t
RCH
t
DZC
t
OH
t
OFF
t
OH
t
OEL
t
CPA
t
RAL
t
AR
t
ASC
t
RP
t
CAS
t
RRH
t
RCH
t
RCS
t
DZC
t
DZO
t
DZO
t
CAC
t
ON
t
DZO
t
RAC
t
CAC
t
ON
t
OFF
t
AA
t
AA
t
OEA
t
OEZ
t
OEA
t
OEZ
t
OED
t
OED
RAS
V
IH
V
IL
A
0
to A
10
CAS
V
IH
V
IL
V
IH
V
IL
WE
V
IH
V
IL
V
OH
V
OL
V
IH
V
IL
OE
V
IH
V
IL
相關(guān)PDF資料
PDF描述
MB8117400B-50 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
MB8117400B-60 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
MB8117405A-60 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)
MB8117405A-70 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)
MB8117405B-50 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
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