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參數資料
型號: AD408M188VPA-5
廠商: Electronic Theatre Controls, Inc.
英文描述: LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators; Package: SOT-223; No of Pins: 4; Qty per Container: 1000; Container: Reel
中文描述: 低電壓操作更適合于備用電池,使用便攜式電子
文件頁數: 6/28頁
文件大小: 211K
代理商: AD408M188VPA-5
Rev.1
Page 6
TRUTH TABLE
Notes: 1. EARLY WRITE only.
FUNCTION
RAS
CAS
WE
OE
ADDRESSES
DQ
S
Notes
ROW
COL
STANDBY
H
X
X
X
X
High-Z
READ
L
L
H
L
ROW
COL
Data-Out
WRITE: (EARLY WRITE )
L
L
L
X
ROW
COL
Data-ln
READ WRITE
L
L
ROW
COL
Data-Out,Data-ln
EDO-PAGE-
MODE READ
1st Cycle
L
H
L
ROW
COL
Data-Out
2nd Cycle
L
H
L
n/a
COL
Data-Out
EDO-PAGE
MODE WRITE
1st Cycle
L
L
X
ROW
COL
Data-In
2nd Cycle
L
L
X
n/a
COL
Data-In
EDO-
PAGE-MODE
READ-WRITE
1st Cycle
L
ROW
COL
Data-Out, Data-In
2nd Cycle
L
n/a
COL
Data-Out, Data-In
HIDDEN
REFRESH
READ
L
H
L
ROW
COL
Data-Out
WRITE
L
L
X
ROW
COL
Data-In
1
RAS-ONLY REFRESH
L
H
X
X
ROW
n/a
High-Z
CBR REFRESH
L
H
X
X
X
High-Z
H
X
H
L
L
H
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
H
L
H
L
L
H
L
H
L
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PDF描述
AD408M188VPB-5 Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
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