SC91312 PDF 데이터시트 검색

Silan Semiconductors TONE , PULSE DIALER WITH REDIAL FUNCTION DESCRIPTION SC91310 Series The SC91310 series are monolithic ICs that provide the necessary signals for either pulse or tone dialing. The SC91310 series feature a redial memory. FEATURES *DTMF , Pulse switchable dialer *32 digits for redial memory *pulse-to-tone (P→T) keypad for long distance call operation *Break , Make ratio is selectable by pin option *Uses 4x4 keyboard *Easy operation with redial, flash, pause, and P→T k