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NR8576BA

Nippon Precision Circuits Inc
Part Number NR8576BA
Manufacturer Nippon Precision Circuits Inc
Description Real-time Clock Modules
Published May 9, 2005
Detailed Description NR8576 Series NIPPON PRECISION CIRCUITS INC. Real-time Clock Modules OVERVIEW The NR8576 Series devices are serial-int...
Datasheet PDF File NR8576BA PDF File

NR8576BA
NR8576BA

Overview
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 compact 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 s s s s s s s s Crystal oscillator element built-in for adjustmentfree use Timer counters for second, minute, hour, day, day of the week, month, and year 2.
5 to 5.
5 V operating voltage range 1.
7 ± 0.
3 V supply voltage detection threshold 1.
0 µA at 3.
0 V (typ) current consumption Automatic leap-year...


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