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RS5C314 Fiches technique (PDF) - RICOH electronics devices division

RS5C314 Datasheet PDF - RICOH electronics devices division
No de pièce RS5C314
Télécharger  RS5C314 Télécharger

Taille du fichier   59.54 Kbytes
Page   4 Pages
Fabricant  RICOH [RICOH electronics devices division]
Site Internet  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division
Description ULTRA-COMPACT REAL-TIME CLOCK IC?

RS5C314 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
RS5C314 Datasheet PDF - RICOH electronics devices division

No de pièce RS5C314
Télécharger  RS5C314 Click to download

Taille du fichier   59.54 Kbytes
Page   4 Pages
Fabricant  RICOH [RICOH electronics devices division]
Site Internet  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division
Description ULTRA-COMPACT REAL-TIME CLOCK IC?

RS5C314 Fiches technique (HTML) - RICOH electronics devices division

RS5C314 Datasheet HTML 1Page - RICOH electronics devices division RS5C314 Datasheet HTML 2Page - RICOH electronics devices division RS5C314 Datasheet HTML 3Page - RICOH electronics devices division RS5C314 Datasheet HTML 4Page - RICOH electronics devices division

RS5C314 Détails du produit

OUTLINE

The RS5C314 is a CMOS type real-time clock which is connected to the CPU via three signal lines and capable of serial transmission of clock and calendar data to the CPU. The RS5C314 can generate various interrupt clock pulses lasting for long periods (one month). Driving an oscillation circuit at constant voltage, the circuit undergoes few voltage fluctuations and consequently realizes low current consumption (TYP. 0.7µA at 3 V). It also provides an oscillator halt sensing function for application to data validity at power-on and other occasions. Integrated into an ultra-compact and ultra-thin 8pin SSOP (0.65mm pitch), the RS5C314 is the optimum choice for equipment requiring small size and low power consumption.

There is RS5C313 reversing the logic of serial clock for series goods.



FEATURES

• Time Keeping Supply Voltage: 1.6 to 6.0 V

• Operating Supply Voltage: 2.7 to 6.0 V

• Low Current Consumption: TYP. 0.7µA (MAX. of 1.5µA) at 3V

• Connection to the CPU via only three pins: CE, SCLK, and SIO (for addressing and data read and write operations)

• A clock counter (counting hours, minutes, and seconds) and a calendar counter (counting leap years, years, months, days, and days of the week) in binary-coded decimal (BCD) code

• Generation of interrupt pulses to the CPU with cycles ranging from 1 month to 1/1024 Hz, interrupt flags, and interrupt halt

• Software-based alarming through clock-interlocked interrupt operation

• Oscillator halt sensing to judge internal data validity

• Second digit adjustment by ±30 seconds

• 12-hour or 24-hour time display selectable

• Automatic leap year recognition up to the year 2099

• CMOS logic

• Package: 8pin SSOP (0.65mm pitch)



 




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