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SM1125

Nippon Precision Circuits Inc
Part Number SM1125
Manufacturer Nippon Precision Circuits Inc
Description Multimelody IC for Pagers
Published Apr 16, 2005
Detailed Description SM1125 series NIPPON PRECISION CIRCUITS INC. Multimelody IC for Pagers OVERVIEW The SM1125 series are melody ICs fabri...
Datasheet PDF File SM1125 PDF File

SM1125
SM1125

Overview
SM1125 series NIPPON PRECISION CIRCUITS INC.
Multimelody IC for Pagers OVERVIEW The SM1125 series are melody ICs fabricated in NPC’s Molybdenum-gate CMOS for use in mobile telecommunications equipment.
A maximum of 16 melodies can be stored in programmable ROM.
PINOUT (Top View) 8-pin VSOP OSC SI SC ST 1 2 3 4 8 7 VSS VDD MTO TEST FEATURES s 1125×× 6 5 s s s s s s s Maximum of 16 melody selections (with up to 512 steps) Level hold playback mode External reference clock input versions and builtin RC oscillator versions available, set by masterslice option (RC oscillator versions require an external resistor and capacitor).
12 selectable clock frequencies (fixed for all melodies) • ...


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