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CF5761 Datasheet

Part NameDescriptionManufacturer
CF5761 CMOS Analog Clock IC with Alarm Function NPC
Nippon Precision Circuits  NPC
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OVERVIEW
The CF5761 series are analog clock ICs with alarm functions that derive their timing from a standard 32.768kHz oscillator element. Two kinds of alarm output are available and can be selected using a control pin. The series lineup comprises devices with various alarm patterns and motor outputs for a wide range of clock specifications. They support convenient functions, such as input chattering elimination circuit and power-on clear functions. They are fabricated using Molybdenum-gate CMOS process, realizing low power consumption.

FEATURES
■ 32.768kHz fundamental frequency oscillator
■ Feedback resistor and oscillator capacitor CD built-in
■ Supports various alarms: piezo-alarm, electromagnetic speaker
■ Snooze function
■ Switchable alarm function using SEL pin
■ Alarm auto-stop function (see series lineup)
■ Input chattering elimination circuit (SEL, AI, SN)
■ Test function
■ 1.2 to 3.6V operating supply voltage
■ Molybdenum-gate CMOS process
■ Chip form (CF5761××)

 

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