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STM8AF6366TCX bảng dữ liệu(PDF) 63 Page - STMicroelectronics |
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STM8AF6366TCX bảng dữ liệu(HTML) 63 Page - STMicroelectronics |
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63 / 116 page ![]() DocID031156 Rev 1 63/116 STM8AF6388 Electrical characteristics 114 10.3.1 VCAP external capacitor Stabilization for the main regulator is achieved connecting an external capacitor CEXT to the VCAP pin. CEXT is specified in Table 22. Care should be taken to limit the series inductance to less than 15 nH. Figure 12. External capacitor CEXT 1. Legend: ESR is the equivalent series resistance and ESL is the equivalent inductance. 10.3.2 Supply current characteristics The current consumption is measured as described in Figure 9 on page 59 and Figure 10 on page 60. If not explicitly stated, general conditions of temperature and voltage apply. Table 23. Operating conditions at power-up/power-down Symbol Parameter Conditions Min Typ Max Unit tVDD VDD rise time rate - 2(1) 1. Guaranteed by design, not tested in production. - µs/V VDD fall time rate - 2(1) - tTEMP Reset release delay VDD rising - 1 1.7 ms Reset generation delay VDD falling - 3 - µs VIT+ Power-on reset threshold(2) (3) 2. If VDD is below 3 V, the code execution is guaranteed above the VIT- and VIT+ thresholds. RAM content is kept. The EEPROM programming sequence must not be initiated. 3. There is inrush current into VDD present after device power on to charge CEXT capacitor. This inrush energy depends from CEXT capacitor value. For example, a CEXT of 1 μF requires Q=1 μF x 1.8 V = 1.8 μC. - 2.65 2.8 2.95 V VIT- Brown-out reset threshold - 2.58 2.73 2.88 VHYS(BOR) Brown-out reset hysteresis -- 70(1) -mV MSv36488V1 ESR RLeak ESL C |
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