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SM1155 Datasheet(PDF) 2 Page - Nippon Precision Circuits Inc |
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SM1155 Datasheet(HTML) 2 Page - Nippon Precision Circuits Inc |
2 / 7 page SM1155 series NIPPON PRECISION CIRCUITS—2 PAD DESCRIPTION SPECIFICATIONS Absolute Maximum Ratings Electrical Characteristics Ta = 25°C, VSS = 0V, VDD = 1.5V Number Name i/o Function 1T 2 – Test pins (must be open) 2T 1 3T G ip1 1. Built-in pull-down resistor (the resistance of the pull-down resistor varies with the applied voltage, as described in the Electrical Characteristics). Melody mode control input 4 V S S – G round 5 OUT o Piezoelectric speaker driver outputs. Both pins are LOW in non-play mode. OUT is LOW and O U T is HIGH during output for a musical rest note. Both pins are HIGH during the gap between musical notes. 6 OUT 7 V D D – Supply. The rear surface of the chip is V DD level. 8 T C – Test pins (must be open) P arameter Symbol Condition Rating Unit Supply voltage range V DD − V SS −0.3 to 5.0 V Input voltage range V IN V SS − 0.2 to V DD + 0.2 V O p e rating temperature range Topr −20 to 80 °C Storage temperature range T stg −55 to 125 °C P arameter S y m b o l Condition Rating Unit min typ m a x O p e rating voltage V DD 1.2 1.5 3.6 V Current consumption1 1. Measurement circuit IDD1 Non-play mode – 0.01 0.3 µ A Current consumption2 IDD2 Melody modes: O U T, O U T open – 2 5 5 0 µ A T G L OW -level input voltage V IL –– V SS + 0.2 V TG HIGH-level input voltage V IH V DD – 0.2 – – V T G L OW -level input current IIL V IL = 0.4V 1.4 3.0 6.0 µ A TG HIGH-level input current IIH V IH = 1.5V 1.4 3.0 6.0 µ A OUT, OUT L OW -level output current IOL V OL = 0.75V 2.0 – – m A OUT, OUT HIGH-level output current IOH V OH = 0.75V 2.0 – – m A Internal oscillator frequency fOSC f0 = 50kHz – 2 0 – + 2 0 % H SM1155 ×××1S L evel hold 1 SM1155 ×××2S L evel hold 2 SM1155 ×××3S One-shot L/open SM1155 ×××1S/ 2S/ 3S Non-play VDD VSS A 1.5V 2. Measurement circuit VDD TG VSS A 1.5V |
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Descripción similar - SM1155 |
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