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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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DS1689S/T&R 数据表(PDF) 29 Page - Maxim Integrated Products |
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DS1689S/T&R 数据表(HTML) 29 Page - Maxim Integrated Products |
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29 / 36 page  DS1689/DS1693 29 of 36 POWER-UP/POWER-DOWN TIMING—5V (TA = +25°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES CS High to Power-Fail tPF 0 ns Recovery at Power-Up tREC 150 ms VCC Slew Rate Power-Down tF 4.0 ≤ VCC ≤ 4.5V 300 µs VCC Slew Rate Power-Down tFB 3.0 ≤ VCC ≤ 4.0V 10 µs VCC Slew Rate Power-Up tR 4.5V ≥ VCC ≥ 4.0V 0 µs Expected Data Retention tDR 10 years 13, 14 POWER-UP/POWER-DOWN TIMING—3V (TA = +25°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES CS High to Power-Fail tPF 0 ns Recovery at Power-Up tREC 150 ms VCC Slew Rate Power-Down tF 2.5 ≤ VCC ≤ 3.0V 300 µs VCC Slew Rate Power-Up tR 3.0V ≥ VCC ≥ 2.5V 0 µs Expected Data Retention tDR 10 years 13, 14 WARNING: Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery-backup mode. CAPACITANCE (TA = +25°C) PARAMETER SYMBOL MIN TYP MAX UNITS NOTES Input Capacitance CIN 12 pF Output Capacitance COUT 12 pF |
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