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OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminating the need for external com ponents to make a stable 3rd overtone oscillator. FEATURES ■ 3rd overtone oscillation ■ Oscillator capacitors CG, CD built-in ■ Inverter amplifier feedback resistor built-in (A×, B× series) ■ TTL input level ■ Output drive capability • 4mA (VDD = 2.7V) • 8mA (VDD = 4.5V) ■ Output three-state function ■ Operating supply voltage range • 2.7 to 5.5V (A×, K× series) • 4.5 to 5.5V (B×, L× series) ■ Oscillator frequency output ■ 6-pin SOT (SM5021××H) ■ Chip form (CF5021××)
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