SM1124 Datasheet | Nippon Precision Circuits Inc

SM1124 Series NIPPON PRECISION CIRCUITS INC. Multimelody IC for Pagers OVERVIEW The SM1124 Series are melody pager multi-melody ICs fabricated in NPC’s Molybdenum-gate CMOS. A maximum of 16 tunes can be stored in programmable ROM, and the Molybdenum-gate CMOS process realizes small-sized packages and low power dissipation. PINOUT 8-pin SOP CLK SI SC ST VSS VDD MTO Features s TEST s s s s s s s s Maximum of 16 tune selections (with up to 512 steps) Level hold playback mode External reference clock input. The frequency can be selected from the following 12 settings. - Playback frequency of each song varies (8 frequencies) - 32.768 kHz system: 32.768 and 65.536 kHz...