Call Progress Tone Detector

2

MX633 - PRELIMINARY INFORMATION

© 1997 MX

•COM Inc.

www.mxcom.com Tele: 800 638-5577 910 744-5050

Fax: 910 744-5054

Doc. # 20480135.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

CONTENTS

Section ............................................................................................................................................... Page

1. Block Diagram .................................................................................................................................. 3

2. Signal List ......................................................................................................................................... 4

3. External Components ...................................................................................................................... 5

4. General Description ......................................................................................................................... 6

4.1 Glossary .................................................................................................................................................... 6

4.2 Overall Function Description ..................................................................................................................... 6

4.3 Block Diagram Description (Reference Figure 1)...................................................................................... 6

4.3.1 Slicer ..................................................................................................................................................................6

4.3.2 Signal Analyzer ..................................................................................................................................................6

4.3.3 Control Logic......................................................................................................................................................7

4.3.4 Xtal/Clock Oscillator...........................................................................................................................................7

4.4 Decode Output Truth Table....................................................................................................................... 7

5. Performance Specification.............................................................................................................. 7

5.1 Electrical Performance .............................................................................................................................. 7

5.1.1 Absolute Maximum Ratings ...............................................................................................................................7

5.1.2 Operating Limits.................................................................................................................................................8

5.1.3 Operating Characteristics ..................................................................................................................................8

5.1.4 Timing ................................................................................................................................................................9

5.2 Packaging ................................................................................................................................................ 11

MX

•COM, Inc. reserves the right to change specifications at any time and without notice