EM91401B Datasheet | ELAN Microelectronics

EM9E1M4901140S1ESRERIEIESS TONE/PULTSOENSEW/PUITLSCEHSAWBITLCEHDAIBALLE EDRIAWLEIRTWHILTHCDLCIDNITNETRERFFAACCEE AND DUAANDL-DTUOANLE-TOMNEELMOEDLYODGYEGNEENRERAATTOORR Preliminary GENERAL DESCRIPTION The EM91401 is a series of tone/pulse switchable dialers that is posed of T/P dialer. The EM91401 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...