W91473 SERIES 14-MEMORY TONE/PULSE SWITCHABLE DIA.
Winbond
W91473A - 14-MEMORY TONE/PULSE SWITCHABLE DIALER
W91473 SERIES 14-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE AND LOCK FUNCTIONS GENERAL DESCRIPTION The W91473 series are Si-gate CMOS IC tone.