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OVERVIEW

The CF5011 series are low-voltage crystal oscillator module ICs that operate at 1.8V. The crystal oscillator circuit and output buffer employ a low-voltage CMOS process operating at 1.8V. The crystal oscillator circuit has a built-in thin-film feedback resistor with good temperature characteristics and built-in capacitors with excellent frequency response, making possible a stable 3rd-harmonic oscillator with only the addition of a crystal element.

FEATURES

■ 3rd-harmonic oscillation

■ 1.6 to 2.0V operating supply voltage range

■ 30 to 70MHz recommended operating frequency range

■ Inverter amplifier feedback resistor built-in

■ Oscillator capacitors CG , CD built-in

■ Standby function

■ fO output frequency (oscillator frequency)

■ 8mA output drive capability (VDD = 1.6V)

■ CMOS output duty level

■ Chip form (CF5011×××)