UM91271

The UM91271 is a 20 memory tone/pulse dialer.

Features of the UM91271 are:(1)32-digit redial memory;(2)20 16-digit repertory memories;(3)repertory dialing accessible by direct or indirect keyin;(4)unlimited cascaded dialing from repertory memories for numbers greater than 16 digits;(5)1.0sec auto-access pause for repertory dialing when switching from pulse to tone mode;(6)key-tone function provided for pulse mode,function keys,and repertory memory keys;(7)flash function can be stored in memory;flash duration 600msec;(8)oscillator circuit for 480KHz ceramic resonator provided on-chip.

If you want to know more information such as the electrical characteristics about the UM91271, please download the datasheet in www.seekic.com or www.chinaicmart.com .