HT0638 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HT0638 Datasheet PDF : 4 Pages
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Pin Configuration
HT0638
TPG 1
HKS 2
GND 3
LS2 4
top view
SO-8
8 TP
7 CS
6 DP
5 LS1
Note: See Package Outline section for dimensions.
Pin Description
TPG
TP
HKS
LS1
LS2
DP
CS
GND
Positive input side of a telephone line, typically Tip side.
Positive output side of a telephone line.
Hookswitch input. Connect HKS to TPG to turn on the electronic switch. Internally pulled low.
Line switch 1 input. Positive input turns on the electronic switch. Internally pulled low.
Line switch 2 input. Positive input turns on the electronic switch. Internally pulled low.
Dial pulse input. A low input turns off the electronic switch. Use for pulse dialing. Internally pulled high.
Current sense input. An external resistor connected between CS and TP sets the current limit. Short CS to TP if
current limiting is not used.
Device ground. Negative side of a telephone line, typically Ring side.
©2002 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited.
4
08/23/02
1235 Bordeaux Drive, Sunnyvale, CA 94089
TEL: (408) 744-0100 • FAX: (408) 222-4895
www.supertex.com
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