UNISONIC TECHNOLOGIES CO., LTD
U9131X
Preliminary
TONE/PULSE DIALER WITH REDIAL FUNCTION
CMOS IC
DESCRIPTION
The UTC U9131X series are monolithic ICs that offer the dialing signals in either pulse or tone mode. The UTC U9131X series feature a redial memory.
FEATURES
* Uses 4×4 keyboard * Pulse-to-tone (P→T) keypad for long distance call operation * ...
