NR8576AB Datasheet | Nippon Precision Circuits Inc

NR8576 Series NIPPON PRECISION CIRCUITS INC. Real-time Clock Modules OVERVIEW The NR8576 Series devices are serial-interface type real-time clock module ICs with built-in crystal oscillator elements. They feature timer counter circuits that keep track of time from the current second to the current year, automatic leap-year adjustment, and a supply voltage detect function. Also, a 32.768 kHz/1 Hz select output function is incorporated for independent hardware control. They are available in pact 14-pin SOPs (NR8576A×) and miniature 18-pin SOPs (NR8576B×). PINOUTS 14-pin SOP VSS N.C CE FSEL WR FOE N.C 1 2 3 4 5 6 7 14 13 12 11 10 9 8 FOUT N.C N.C DATA CLK VDD N.C NR8576A Features...