• Function: Parallel Input Tone/Pulse Dialer
• Features: <br />  Vcc=2.5…5.5 V<br />  Quartz generator   3.58 MHz<br />  Output signal: pulse   10 Hz  or DTMF<br />  4-bit parallel data input from microcomputer<br />  Selectable Make/Break ratio<br /> Inter digital pause   800 ms<br />
• Package: DIP-16