Call Progress Tone Detector

FX643

© 1996 Consumer Microcircuits Limited

2

D/643/4

CONTENTS

Section

Page

1.0 Features......................................................................................................1

1.1 Brief Description ........................................................................................1

1.2 Block Diagram ............................................................................................3

1.3 Signal List ..................................................................................................4

1.4 External Components ................................................................................5

1.5 General Description ...................................................................................6

1.5.1 Overall Function Description .........................................................6

1.5.2 Glossary .......................................................................................6

1.5.3 Block Diagram Description............................................................7

1.5.4 Decode Output Truth Table ..........................................................8

1.6 Application Notes ......................................................................................8

1.6.1 General ........................................................................................8

1.7 Performance Specification ........................................................................9

1.7.1 Electrical Performance..................................................................9

1.7.2 Packaging ..................................................................................14