參數(shù)資料
型號: MB8117800A-70
廠商: Electronic Theatre Controls, Inc.
英文描述: 2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM
中文描述: 2的MX 8位快速頁面模式動態(tài)隨機存儲器
文件頁數(shù): 20/27頁
文件大小: 580K
代理商: MB8117800A-70
20
MB8117800A-60/-70
DESCRIPTION
During the fast page mode of operation, the read-modify-write cycle can be executed by switching WE from High to Low after input
data appears at the DQ pins during a normal cycle.
Fig. 12 – FAST PAGE MODE READ-MODIFY-WRITE CYCLE
t
ASC
RAS
V
IH
V
IL
CAS
V
IH
V
IL
WE
V
IH
V
IL
t
RASP
t
RCD
t
RPWC
t
RP
t
RWL
t
CWD
t
CAH
t
ASC
t
CAH
t
CWD
t
RAD
t
CP
t
RAH
t
RCS
t
OEH
t
WCL
t
WP
t
DS
t
DH
t
OED
t
DS
t
WP
t
WCL
t
DH
t
OEZ
t
OEZ
t
ON
t
ON
t
ASR
t
CRP
ROW
ADD
COL
ADD
COL
ADD
VALID
VALID
t
AWD
t
RCS
t
CPWD
t
DZC
t
RWD
t
CAC
t
AA
t
ON
t
OED
t
CAC
t
AA
t
ON
t
RAS
t
OEA
t
OEH
t
OEA
t
CPA
“H” or “ L”
Valid Data
OE
V
IH
V
IL
A
0
to A
10
V
IH
V
IL
DQ
(Output)
V
OH
V
OL
DQ
(Input)
V
IH
V
IL
t
DZO
HIGH-Z
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