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參數資料
| 型號： | AD408M188RSA-5 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators; Package: TO-220; No of Pins: 3; Qty per Container: 45; Container: Rail |
| 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： | AD408M188RSA-5 |
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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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| AD408M188RTA-5 | LM2937-2.5, LM2937-3.3 400mA and 500mA Voltage Regulators; Package: TO-220; No of Pins: 3; Qty per Container: 45; Container: Rail |
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