www.DataSheet4U.com HT9201A/B Simple Tone Dialer .
Holtek Semiconductor
HT9201B - (HT9201A/B) Simple Tone Dialer
www.DataSheet4U.com HT9201A/B Simple Tone Dialer Features • • • Patent Number: 113235(R.O.C.), 5424740(U.S.A.) • • Operating voltage: 2.0V~5.5V Low.