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參數(shù)資料
| 型號： | HT0638 |
| 廠商： | Supertex, Inc. |
| 英文描述： | Electronic Line Switch |
| 中文描述： | 電子線開關(guān) |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 50K |
| 代理商： | HT0638 |
4
HT0638
1235 Bordeaux Drive, Sunnyvale, CA 94089
TEL: (408) 744-0100 FAX: (408) 222-4895
www.supertex.com
08/23/02
2002 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited.
Pin Description
TPG
Positive input side of a telephone line, typically Tip side.
TP
Positive output side of a telephone line.
HKS
Hookswitch input. Connect HKS to TPG to turn on the electronic switch. Internally pulled low.
LS1
Line switch 1 input. Positive input turns on the electronic switch. Internally pulled low.
LS2
Line switch 2 input. Positive input turns on the electronic switch. Internally pulled low.
DP
Dial pulse input. A low input turns off the electronic switch. Use for pulse dialing. Internally pulled high.
CS
Current sense input. An external resistor connected between CS and TP sets the current limit. Short C
S
to TP if
current limiting is not used.
GND
Device ground. Negative side of a telephone line, typically Ring side.
1
2
3
4
8
7
6
5
Pin Configuration
TPG
TP
HKS
CS
GND
DP
LS2
LS1
Note
: See Package Outline section for dimensions.
top view
SO-8
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