IL5851 Datasheet | IK Semiconductor

TECHNICAL DATA PULSE DIALER WITH REDIAL The IL5851 is a monolithic CMOS integrated circuit which uses an inexpensive RC oscillator for its frequency reference and provides all the Features required for implementing a pulse dialer with 32 digit redial. - Wide operating voltage range (2.0~6.0V) - Low power dissipation - Use either a standard 2 of 7 matrix keyboard with negative true mon or the inexpensive form A-type keyboard - Make/Break ratio can be selected - Redial with - or # - Continuous MUTE - Power up clear circuitry on chip - 10 pps/20 pps can be selected ORDERING INFORMATION IL5851N Plastic TA = -20° to 70° C LOGIC DIAGRAM PIN ASSIGNMENT .. 1...