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FX643 Datasheet, PDF (3/14 Pages) CML Microcircuits – Call Progress Tone Detector
Call Progress Tone Detector
1.2 Block Diagram
FX643
Note: XTALN for 16-pin SOIC (D4) package only.
Figure 1 Block Diagram
© 1996 Consumer Microcircuits Limited
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D/643/4