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Partname: | M-991-02SMTR |
Description: | Call progress tone detector |
Manufacturer: | |
Package: | SOIC |
Pins: | 16 |
Oper. temp.: | -40 to 85 |
Datasheet: | PDF (171K). Click here to download *) |
The M-991 is a call progress tone generator integrated circuit for use in telephone systems. The circuit uses low-power CMOS techniques to generate tones which are digitally controlled and highly linear. The M-991 is designed to permit operation with almost any system. The use of integrated circuit techniques allows the M991 to incorporate the control, tone generating, and power output buffer into a single 14-pin DIP or a 16-pin SOIC. A 3.58-MHz (color burst) crystal-controlled time base guarantees accuracy and repeatability. |
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Click here to download M-991-02SMTR Datasheet*) |
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