IL91350A - IK Semiconductor

IL91350A 13-Memory Tone/Pulse Dialer

Pin No. 1-4 17 - 20 5 Designation Column-Row Inputs H/P MUTE Description The Keyboard input may be used with the standard 4 x 5 keyboard. A valid key entry is defined by a single row being connected to a single column. The H/P MUTE is a conventional inverter output. In pulse dialing, flash and hold period, the output will be at active high, otherwise, it wil.

Features

Handfree dialing, Hold, and 13 by 16 digits automatic dialing memory.
• DTMF/PULSE switchable dialer
• 32 digits for Redial memory
• Three by 16 digits for one touch direct repertory
• Ten by 16 digits for two touch indirect repertory
• Mix dialing is allowable, and the dialing length is unlimited
• Pulse to Tone (
*/T) keypad for Long Distance Call operation
• Easy operation with Redial, Flash, Pause and
*/T keypads
• Pause, P- - >T (Pulse to Tone) can be stored as a digit in memory
• Flash time 600 mS
• 4 x 5 keyboard can be used
• Power on reset on chip
• Use 3.579545 MHz crystal or ceramic .