SC91415

SC91415 T/P SWITCHABLE DIALER WITH LCD INTERFACE AND DUAL-TONE MELODY DESCRIPTION The SC91415 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 13 set memories. The SC91415 series provide necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone and lock functions. The lock function is designed to inhibit toll dialing operation. Beside this, melody generator, ring detector and SDO (Serial Data Output) functions are provided in advance version. Melody generator will output dual-tone music in line hold duration. Ring detector can prevent illegal dialing from pocket dialer. The SDO is designed to drive LCD driver and voice synthesizer. FEATURES ORDERING INFORMATION * Tone/Pulse switchable * Wide operating voltage from 2.0 V to 5.5 V * Low operating current, 0.15mA (Pulse) and 0.3mA (Tone) typically * Adding resistor on keyboard scan pin that can selec...