參數(shù)資料
型號(hào): MB814400A-60
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 4米× 1位快速頁面模式的DRAM的CMOS(4分× 1位快速頁面存取模式動(dòng)態(tài)內(nèi)存)
文件頁數(shù): 15/27頁
文件大小: 347K
代理商: MB814400A-60
15
MB814400A-60/MB814400A-70/MB814400A-80
Fig. 9 – FAST PAGE MODE READ CYCLE (Early Write)
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
9
WE
“H” or “L”
Valid Data
COL
ADD
ROW
ADD
COL
ADD
COL
ADD
HIGH-Z
HIGH-Z
HIGH-Z
HIGH-Z
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.
V
IH
V
IL
t
RASP
t
RCD
t
RHCP
t
RAD
t
CRP
t
PC
t
CSH
t
CAS
t
CP
t
CAS
t
RSH
t
RP
t
CAS
t
ASR
t
RAH
t
ASC
t
CAH
t
ASC
t
CAH
t
ASC
t
CAH
t
RAL
t
RRH
t
RCS
t
RCH
t
RCS
t
RCH
t
RCS
t
RCH
t
OEL
t
DZC
t
CPA
t
DZC
t
DZC
t
DZO
t
OH
t
CAC
t
ON
t
RAC
t
DZO
t
CAC
t
OFF
t
OH
t
OFF
t
DZO
t
AA
t
AA
t
on
t
OEA
t
OEZ
t
OEZ
t
OEA
t
OED
t
OED
DQ
(Input)
DQ
(Output)
OE
相關(guān)PDF資料
PDF描述
MB814400A-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動(dòng)態(tài)RAM)
MB814400A-80 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動(dòng)態(tài)RAM)
MB814400C-60 CMOS 1 M ×4BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動(dòng)態(tài)RAM)
MB814400C-70 CMOS 1 M ×4 BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動(dòng)態(tài)RAM)
MB814400D-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位速頁面存取模式動(dòng)態(tài)RAM)
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