PCD3315PN Search Results

german diode

Abstract: 4x4 keyboard PCD3312 ma 117d PCD3315 dtmf phone dialer automatic change over switch circuit diagram keyboard 4X4 CMOS IC MANUAL PABX
Text: Signetics PCD3315 CMOS Redial and Repertory Dialer Product Specification Linear Products DESCRIPTION T h e P C D 3315 is a sin g le -ch ip C M O S d ia le r IC fo r te le p h o n e sets. It h as tw o d ia lin g m odes: p ulse d ia lin g PD , and d u a l-to n e m u lti-freq u e ncy (D TM F) w hen