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HT9201B Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT9201B Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 7 page  HT9201A/B Simple Tone Dialer Selection Table Pin Assignment Patent Number: 113235(R.O.C.), 5424740(U.S.A.) Features • Operating voltage: 2.0V~5.5V • Low standby current • 4 ×4 keyboard matrix • 3.58MHz crystal or ceramic resonator • Four flash key times selectable for the HT9201B General Description The HT9201A/B tone dialers are CMOS LSIs designed for telecommunication systems. The HT9201A is for mute output whereas the HT9201B is for flash output. Both dialers pro- vide good performance for regular DTMF dial- ing with low distortion output and minimal ex- ternal components. HT9201A HT9201B Function Item MUT E F1,F2,F3,F4 Flash T ime(ms) √ — √ — — 600/300/200/90 A,B,C,D DT MF Output √ √ XMUT E Package 16 DIP 16 DIP 1 3rd Dec ’97 |
Similar Part No. - HT9201B |
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Similar Description - HT9201B |
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