參數(shù)資料
型號: DS1668
廠商: DALLAS SEMICONDUCTOR
元件分類: XO, clock
英文描述: Electronic Digital Rheostat(電子數(shù)字可變電阻器)
中文描述: 1 TIMER(S), REAL TIME CLOCK, PDIP28
文件頁數(shù): 5/10頁
文件大?。?/td> 68K
代理商: DS1668
DS1668, DS1669, DS1669S
022698 5/10
DS1668 DALLASTAT
TM
BLOCK DIAGRAM
Figure 3
INPUT
INTERPRETER
AND CONTROL
SHADOW MEMORY
64 TO 1 MUXER
RHEOSTAT
+
D
UC
DC
-
R
L
R
H
R
W
NOTE:
DOTTED LINE CONNECTIONS AND
COMPONENTS ARE INTERNAL TO
THE DS1668 AND DO NOT EXIST ON
THE DS1669.
FLOWCHART: ONE BUTTON OPERATION AND ELECTRICAL CONTROL
Figure 4
CONTACT CLOSURE
(D OR UC)
INCREMENT/DECREMENT
1/64TH
YES
NO
CONTACT CLOSED
CONTINUOUSLY
> 1 SEC
INCREMENT/DECREMENT
ON 100MS INTERVALS
LIMIT REACHED
OR
CONTACT OPEN
1 SEC
REVERSE DIRECTION
YES
NO
CONTACT OPEN AND CONTACT CLOSURE TIMING IS 1s
±
10%
相關(guān)PDF資料
PDF描述
DS1669 Electronic Digital Rheostat(電子數(shù)字可變電阻器)
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