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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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CF745 데이터시트(PDF) 183 Page - Microchip Technology |
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CF745 데이터시트(HTML) 183 Page - Microchip Technology |
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183 / 217 page  © 1998 Microchip Technology Inc. Preliminary DS30453B-page 183 PIC16C54B/C54C/CR54B/CR54C/C55A/C56A/CR56A/C57C/CR57C/C58 20.0 DC AND AC CHARACTERISTICS - PIC16C54B/C54C/CR54B/CR54C/C55A/C56A/CR56A/C57C /CR57C/C58B/CR58B The graphs and tables provided in this section are for design guidance and are not tested. In some graphs or tables the data presented are outside specified operating range (e.g., outside specified VDD range). This is for information only and devices will 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. FIGURE 20-1: TYPICAL RC OSCILLATOR FREQUENCY vs. TEMPERATURE 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 = 5.5 V VDD = 3.5 V Rext ≥ 10 kΩ Cext = 100 pF 0.88 |
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