參數(shù)資料
型號(hào): MB814400A-70
廠(chǎng)商: Fujitsu Limited
英文描述: CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 4米× 1位快速頁(yè)面模式的DRAM的CMOS(4分× 1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> 347K
代理商: MB814400A-70
17
MB814400A-60/MB814400A-70/MB814400A-80
Fig. 11 – FAST PAGE MODE OE WRITE 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
9
WE
DQ
(Input)
DQ
(Output)
t
RAD
“H” or “L”
Invalid Data
COL
ADD
ROW
ADD
.
COL
ADD
COL
ADD
VALID
VALID
VALID
HIGH-Z
t
DZO
DESCRIPTION
The fast page mode OE (delayed) write cycle is executed in the same manner as the fast page mode write cycle except for the states
of WE and OE. Input data on the DQ pins are latched on the falling edge of WE and written into memory. In the fast page mode
delayed write cycle, OE must be changed from Low to High before WE goes Low (t
OED
+ t
T
+ t
DS
).
V
IH
V
IL
OE
t
RASP
t
RP
t
RSH
t
CAS
t
CAS
t
PC
t
CRP
t
RCD
t
CSH
t
CAS
t
CP
t
RAH
t
ASR
t
ASC
t
CAH
t
ASC
t
CAH
t
CAH
t
ASC
t
RAL
t
RWL
t
CWL
t
WP
t
CWL
t
WP
t
RCS
t
CWL
t
WP
t
DS
t
DH
t
DS
t
DH
t
DH
t
DS
t
DZC
t
AA
t
CAC
t
RAC
t
OED
t
AA
t
OED
t
OEH
t
CAC
t
OEH
t
CAC
t
AA
t
OED
t
OEH
t
OEZ
t
OEA
t
OEZ
t
OEA
t
OEZ
t
OEA
相關(guān)PDF資料
PDF描述
MB814400A-80 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁(yè)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(yè)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(yè)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(yè)面存取模式動(dòng)態(tài)RAM)
MB814400D-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位速頁(yè)面存取模式動(dòng)態(tài)RAM)
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