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PIC17C752-08/CL 데이터시트(PDF) 265 Page - Microchip Technology |
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PIC17C752-08/CL 데이터시트(HTML) 265 Page - Microchip Technology |
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265 / 328 page ![]() © 1998 Microchip Technology Inc. Preliminary DS30289A-page 265 PIC17C7XX 21.0 PIC17C7XX DC AND AC CHARACTERISTICS The graphs and tables provided in this section are for design guidance and are not tested nor guaranteed. In some graphs or tables the data presented is outside specified operating range (e.g. outside specified VDD range). This is for information only and devices are ensured to operate properly only within the specified range. The data presented in this section is a statistical summary of data collected on units from different lots over a period of time. "Typical" represents the mean of the distribution while "max" or "min" represents (mean + 3 σ) and (mean - 3σ) respectively where σ is standard deviation. TABLE 21-1: PIN CAPACITANCE PER PACKAGE TYPE FIGURE 21-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE Pin Name Typical Capacitance (pF) 68-pin PLCC 64-pin TQFP All pins, except MCLR, VDD, and VSS 10 10 MCLR pin 20 20 FOSC FOSC (25 °C) 1.10 1.08 1.06 1.04 1.02 1.00 0.98 0.96 0.94 0.92 0.90 010 20 25 30 40 50 60 70 T( °C) Frequency normalized to +25 °C VDD = 5.5V VDD = 3.5V Rext ≥ 10 kΩ Cext = 100 pF |
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