IL91214 Datasheet - IK Semiconductor

IL91214, Tone/Pulse Dialer with Handsfree control and Flash Function

TECHNICAL DATA IL91214A/B Tone/Pulse Dialer with Flash Function IL91214A and IL91214B are tone/pulse dialers designed for providing standard DTMF or.
Hook switch input MODE IN = VDD: pulse mode, 10 Hz, М/В = 1/2, MODE IN = VSS: tone mode, MODE IN = floating mode, 20 Hz, М/В = 1/2 Oscillator input Os.