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AN1012 데이터시트(PDF) 28 Page - STMicroelectronics |
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AN1012 데이터시트(HTML) 28 Page - STMicroelectronics |
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28 / 33 page ![]() TIMEKEEPER® products AN1012 28/33 Doc ID 6395 Rev 4 Appendix C TIMEKEEPER® products Table 12. Data from M48T02/12 devices (available only in CAPHAT™ - BR1632, 120 mAh) Table 13. Data from M48T08/Y/18 and M48T58/Y devices Temperature (°C) VCC duty cycle = 0% VCC duty cycle = 100%, shelf life (years) Typical (years) Worst case (years) 0 > 20 > 20 >> 20 10 > 20 > 20 >> 20 20 > 20 > 20 >> 20 25 > 20 > 20 >> 20 30 > 20 > 20 >> 20 40 > 20 > 20 >> 20 50 > 20 18.5 >> 20 60 19.0 17.0 > 20 70 11.0 11.0 11.0 Temperature (°C) CAPHAT or SNAPHAT (BR1225, 48 mAh) CAPHAT(1) or SNAPHAT (BR1632, 120 mAh) 1. Only available in M48T08 and M48T18 CAPHAT™. VCC duty cycle = 100%, shelf life (years) VCC duty cycle = 0% Typical (years) Worst case (years) Typical (years) Worst case (years) 0 11.0 10.0 > 20 > 20 >> 20 10 10.1 9.2 > 20 > 20 >> 20 20 9.4 8.5 > 20 > 20 >> 20 25 9.0 8.1 > 20 > 20 >> 20 30 8.6 7.6 > 20 19.0 >> 20 40 7.9 6.8 19.7 16.9 >> 20 50 6.9 5.6 17.1 13.9 >> 20 60 5.9 4.5 14.8 11.3 > 20 70 4.8 3.4 11.0 8.4 11.0 |
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