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Datasheet DS1669S PDF ( 特性, スペック, ピン接続図 )

部品番号 DS1669S
部品説明 ELECTRONIC DIGITAL RHEOSTAT
メーカ Dallas Semiconducotr
ロゴ Dallas Semiconducotr ロゴ 
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Total 10 pages
		
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DS1669S Datasheet, DS1669S PDF,ピン配置, 機能
DS1668, DS1669, DS1669S
DS1668, DS1669, DS1669S
DallastatTM Electronic Digital Rheostat
FEATURES
Replaces mechanical variable resistors
Available as the DS1668 with manual interface or the
DS1669 integrated circuit
Human engineered interface provides easy control
with DS1668
Electronic interface provided for digital as well as
manual control
Wide differential input voltage range between 4.5 and
8 volts
Wiper position is maintained in the absence of power
Low cost alternative to mechanical controls
Applications include volume, tone, contrast, bright-
ness, and dimmer control
8–pin SOIC and 8–pin DIP packages for DS1669
Standard resistance values for Dallastat
– DS1668/DS1669–10 ~ 10K
– DS1668/DS1669–50 ~ 50K
– DS1668/DS1669–100 ~ 100K
Operating Temperature Range
– Commercial: 0°C to 70°C; DS1668, DS1669
– Industrial: –40°C to +85°C; DS1669
PIN ASSIGNMENT DS1668
RH NC D
PIN 1
INDICATOR
654
123
TOP VIEW
+V RW -V
INTEGRATED
PUSHBUTTON
PIN ASSIGNMENT DS1669
(RH)
UC
D
(RL)
1
2
3
4
8
7
6
5
8-Pin DIP (300 Mil)
+V
DC
RW
–V
(RH)
UC
D
(RL)
1
2
3
4
8 +V
7 DC
6 RW
5 V-
8-Pin SOIC (208 Mil)
PIN DESCRIPTION DS1669
RH
RW
RL
-V, +V
- Resistor High End
- Resistor Wiper
- Resistor Low End
- Voltage Inputs
UC - Up Contact Input
D - Digital Input
DC - Down Contact Input
PIN DESCRIPTION DS1668
+V - Positive Voltage Input
-V - Negative Voltage
RW - Resistor Wiper
D - Digital Input
RH - Resistor High End
NC - No Connection - Pin Missing
ECopyright 1995 by Dallas Semiconductor Corporation.
All Rights Reserved. For important information regarding
patents and other intellectual property rights, please refer to
Dallas Semiconductor data books.
081895 1/10

1 Page



DS1669S pdf, ピン配列
DS1668, DS1669, DS1669S
DS1669 SINGLE PUSHBUTTON CONFIGURATION (TYPICAL EXAMPLE) Figure 1
DS1669
RH V+
UC DC
D RW
RL V–
DS1669 DUAL PUSHBUTTON CONFIGURATION (TYPICAL APPLICATION) Figure 2
DS1669
RH V+
UC DC
D RW
RL V–
081895 3/10


3Pages


DS1669S 電子部品, 半導体
DS1668, DS1669, DS1669S
FLOWCHART: TWO BUTTON OPERATION Figure 5
CONTACT CLOSURE
UC
UC OR DC?
DC
AT UPPER
LIMIT?
NO
INCREMENT
1/64TH
YES
YES
BOTH CONTACTS
OPEN?
YES
AT LOWER
LIMIT?
NO
DECREMENT
1/64TH
CONTACT CLOSED
CONTINUOUSLY
>1 SEC?
NO
YES
INCREMENT ON
100MS INTERVALS
NO CONTACT CLOSED
CONTINUOUSLY
>1 SEC?
YES
DECREMENT ON
100MS INTERVALS
NO YES
AT UPPER
LIMIT?
YES
AT LOWER
LIMIT?
NO
CONTACT OPEN AND CONTACT CLOSURE TIMING IS 1 sec. ± 10%
081895 6/10

6 Page





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