IL91214 - IK Semiconductor

IL91214 Tone/Pulse Dialer with Handsfree control and Flash Function

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 Oscillator output Ground Supply output Tone dialing output Dialing transmission mute output Mode output pin Key-in tone output Dialing pulse output Keyboard column input Keyboard column input Keyboard column inpu.

Features

g mode, 20 Hz, М/В = 1/2 Oscillator input Oscillator output Ground Supply output Tone dialing output Dialing transmission mute output Mode output pin Key-in tone output Dialing pulse output Keyboard column input Keyboard column input Keyboard column input Keyboard row input Keyboard row input Keyboard row input Keyboard row input O SCI 03 O SCO 04 IL91214A 1 2 1 2 14 13 12 11 Vss 05 Vdd 06 TO NE 07 X M IT M U T E 10 09 08 3 4 5 6 7 8 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 HK 01 MODE IN 02 OSCI 03 OSCO 04 Vss 05 Vdd 06 TONE 07 18 17 16 R4 R3 R2 R1 C3 C2 C1 DP KT 15 14 13 12 11 .