描述 Description

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

特性 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)