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STM8L101F2 Folha de dados(PDF) 54 Page - STMicroelectronics |
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STM8L101F2 Folha de dados(HTML) 54 Page - STMicroelectronics |
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54 / 77 page ![]() Electrical parameters STM8L101xx 54/77 Doc ID 15275 Rev 7 NRST pin The NRST pin input driver is CMOS. A permanent pull-up is present which is the same as as RPU (see Table 26 on page 49) Subject to general operating conditions for VDD and TA unless otherwise specified. Figure 30. Typical NRST pull-up resistance RPU vs VDD @ 4 temperatures Table 30. NRST pin characteristics Symbol Parameter Conditions Min Typ (1) Max Unit VIL(NRST) NRST input low level voltage (1) 1. Data based on characterization results, not tested in production. VSS -0.8 V VIH(NRST) NRST input high level voltage (1) 1.4 - VDD VOL(NRST) NRST output low level voltage IOL = 2 mA - - VDD-0.8 RPU(NRST) NRST pull-up equivalent resistor (2) 2. The RPU pull-up equivalent resistor is based on a resistive transistor (Figure 30). Corresponding IPU current characteristics are described in Figure 31. 30 45 60 k Ω VF(NRST) NRST input filtered pulse (3) 3. Data guaranteed by design, not tested in production. - - 50 ns tOP(NRST) NRST output pulse width 20 - - VNF(NRST) NRST input not filtered pulse (3) 300 - - ns ai17007 30 35 40 45 50 55 60 1.65 1.8 1.95 2.1 2.25 2.4 2.55 2.7 2.85 3 3.15 3.3 3.45 3.6 V DD [V] -40°C 25°C 85°C 125°C |
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