PCF8573 Clock/calendar With Serial I/O

The PCF8573 is a low threshold, CMOS circuit that functions as a Real Time Clock calendar. Addresses and data are transferred serially via the two-line bidirectional I 2 C-bus. The IC incorporates an addressable time Counter and an addressable alarm Register for minutes, hours, days and months. Three special control/status flags, COMP, POWF and NODA, are also available. Back-up for the Clock during supply interruptions is provided by a 1.2 V nickel cadmium battery. The time base is generated from a 32.768 kHz crystal-controlled Oscillator
By NXP Semiconductors
PCF8573 's PackagesPCF8573 's pdf datasheet



PCF8573 Pinout, Pinouts
PCF8573 pinout,Pin out
This is one package pinout of PCF8573,If you need more pinouts please download PCF8573's pdf datasheet.

PCF8573 Application circuits
PCF8573 circuits
This is one application circuit of PCF8573,If you need more circuits,please download PCF8573's pdf datasheet.


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