TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION

GENERAL DESCRIPTION The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91520N series provide one-key redial, handfree dialing, hold, save, and redial functions. FEATURES • DTMF/pulse switchable dialer • Two by 32-digit redial and save mem

TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION

GENERAL DESCRIPTION The W91520N series are Si-gate CMOS ICs that provide the necessary signals for tone or pulse dialing. The W91520N series provide one-key redial, handfree dialing, hold, save, and redial functions. FEATURES • DTMF/pulse switchable dialer • Two by 32-digit redial and save mem

Low Duty LCD Segment Driver

文件：4.048 Mbytes Page：45 Pages

32-bit FR81S Microcontroller

文件：5.16463 Mbytes Page：280 Pages