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HT9170 DTMF Receiver

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<strong>HT9170</strong><br />

Timing Diagrams<br />

J4 - <br />

J1 )<br />

J1 4<br />

6 A<br />

6 A 6 A <br />

- 5 6<br />

J, 2 J, 2 J, ) J, 2<br />

J) + +<br />

4 6 / 6<br />

8 6 4 6<br />

J2 , <br />

J/ 6 2<br />

J/ 6 )<br />

, , !<br />

6 A + @ A 6 A + @ A <br />

6 A + @ A <br />

J2 , 8<br />

J, 8<br />

J2 , 8<br />

, 8<br />

J, , <br />

J- , <br />

-<br />

Figure 3. Steering timing<br />

6 A<br />

6 A<br />

2 9 , <br />

- 5 6<br />

J2 7<br />

Figure 4. Power up timing<br />

8 December 20, 1999

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