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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L9924L датащи(PDF) 16 Page - STMicroelectronics |
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L9924L датащи(HTML) 16 Page - STMicroelectronics |
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16 / 84 page  Electrical specifications L9924L 16/84 DocID028840 Rev 3 4.1.1 EEPROMs parameters 4.2 Thermal data 4.3 Electrical characteristics 4.3.1 Pin "A+/B+" This pin is both the primary power supply (B+) and the default battery sense (A+) The device is supplied by the battery through A+/B+ pin and it remains in stand-by condition with a current consumption of IBstby12V/24V until there is activity on one or more wake-up sources. Table 5. Flash program memory # Parameter Test condition Value Unit 1 Erase/Write cycles Tamb = 25 °C 2500 Cycles 2Tamb = 55 °C 1500 3Tamb = 125 °C 300 4 Retention Tamb = 55 °C 20 Years Table 6. Data memory # Parameter Test condition Value Unit 1 Erase/Write cycles Tamb = 25 °C 280000 Cycles 2Tamb = 55 °C 170000 3Tamb = 125 °C 10000 4 Retention Tamb = 55 °C 2 Years Table 7. Thermal data # Symbol Parameter Max. Unit 1Rth_j-case Thermal resistance junction-to-case 1 °C/W 2Tpad Exposed pad temperature 140 °C |
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