Datenblatt-Suchmaschine für elektronische Bauteile |
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SM1125 Datenblatt(PDF) 1 Page - Nippon Precision Circuits Inc |
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SM1125 Datenblatt(HTML) 1 Page - Nippon Precision Circuits Inc |
1 / 13 page SM1125 series SEIKO NPC CORPORATION —1 Multimelody IC for Pagers OVERVIEW The SM1125 series are melody ICs fabricated in NPC’s Molybdenum-gate CMOS for use in mobile telecom- munications equipment. A maximum of 16 melodies can be stored in programmable ROM. FEATURES I Maximum of 16 melody selections (with up to 512 steps) I Level hold playback mode I External reference clock input versions and built- in RC oscillator versions available, set by master- slice option (RC oscillator versions require an external resistor and capacitor). I 12 selectable clock frequencies (fixed for all melo- dies) • External clock input versions (12 frequencies) - 32.768kHz system: 32.768, 65.536 and 131.072kHz - 37.5kHz system: 37.5, 75.0 and 150.0kHz - 38.4kHz system: 38.4, 76.8 and 153.6kHz - 48.0kHz system: 48.0, 96.0 and 192.0kHz • Built-in oscillator versions (4 frequencies) - 38.4kHz (standard oscillator frequency) - 32.768kHz - 37.5kHz - 48.0kHz I 2-pin serial data melody selection and 1-pin mel- ody playback control I Power save function • External clock input versions Clock gating in no-play modes • Built-in RC oscillator versions Oscillator stopped in no-play modes I Molybdenum-gate CMOS process I 8-pin plastic VSOP package ORDERING INFORMATION PINOUT (Top view) PACKAGE DIMENSIONS (Unit: mm) Device Package SM1125 ××V 8pin VSOP OSC SI SC ST VSS VDD MTO TEST 1 4 5 6 2 3 7 8 0.65 0.22 ± 0.1 0.575 TYP 0.15 + 0.1 − 0.05 0.12 + M 0.10 3.1 ± 0.3 |
Ähnliche Teilenummer - SM1125 |
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Ähnliche Beschreibung - SM1125 |
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