OVERVIEW

The CF5029A is crystal oscillator module IC with divide-by-512 frequency output. It employs a 16.777216MHz fundamental frequency crystal source oscillator to generate a 32.768kHz output crystal oscillator with excellent temperature characteristics.

FEATURES

■ 2.25 to 3.6V operating supply voltage range

■ 16.777216MHz reference source oscillator fre quency

■ Output frequency: oscillation frequency divided by 512

■ – 40 to 85°C operating temperature range

■ Oscillation capacitors CG, CD built-in

■ Standby function

   • High impedance in standby mode, oscillator stops

■ Power-saving pull-up resistor built-in

■ 2mA output drive capability (min. VDD = 2.25V)

■ CMOS output duty level (1/2VDD)

■ Molybdenum-gate CMOS process

■ Chip form (CF5029A)

APPLICATIONS

■ 32.768kHz output crystal oscillator modules