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MC14536BFELG データシート(PDF) 7 Page - ON Semiconductor |
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MC14536BFELG データシート(HTML) 7 Page - ON Semiconductor |
7 / 14 page MC14536B http://onsemi.com 7 Figure 3. RC Oscillator Stability Figure 4. RC Oscillator Frequency as a Function of RTC and C RS = 0, f = 10.15 kHz @ VDD = 10 V, TA = 25°C RS = 120 kW, f = 7.8 kHz @ VDD = 10 V, TA = 25°C RTC = 56 kW, C = 1000 pF VDD = 15 V 10 V 5.0 V 8.0 4.0 0 −4.0 −8.0 −12 −16 −55 −25 0 25 50 75 100 125 TA, AMBIENT TEMPERATURE (°C)* *Device Only. TYPICAL RC OSCILLATOR CHARACTERISTICS (For Circuit Diagram See Figure 13 In Application) 100 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 1.0 k 10 k 100 k 1.0 M 0.0001 0.001 0.01 0.1 RTC, RESISTANCE (W) C, CAPACITANCE (mF) f AS A FUNCTION OF C (RTC = 56 kW) (RS = 120 k) f AS A FUNCTION OF RTC (C = 1000 pF) (RS ≈ 2RTC) VDD = 10 V Figure 5. Typical CX versus Pulse Width @ VDD = 5.0 V Figure 6. Typical CX versus Pulse Width @ VDD = 10 V 100 0.1 1.0 10 1000 100 10 1.0 CX, EXTERNAL CAPACITANCE (pF) RX = 100 kW 50 kW 10 kW 5 kW TA = 25°C VDD = 5 V FORMULA FOR CALCULATING tW IN MICROSECONDS IS AS FOLLOWS: tW = 0.00247 • RX • (CX)0.85 WHERE R IS IN kW, CX IN pF. 1000 100 10 1.0 CX, EXTERNAL CAPACITANCE (pF) 100 0.1 1.0 10 FORMULA FOR CALCULATING tW IN MICROSECONDS IS AS FOLLOWS: tW = 0.00247 • RX • (CX)0.85 WHERE R IS IN kW, CX IN pF. RX = 100 kW 50 kW 10 kW 5 kW TA = 25°C VDD = 10 V Figure 7. Typical CX versus Pulse Width @ VDD = 15 V 1000 100 10 1.0 CX, EXTERNAL CAPACITANCE (pF) 100 0.1 1.0 10 FORMULA FOR CALCULATING tW IN MICROSECONDS IS AS FOLLOWS: tW = 0.00247 • RX • (CX)0.85 WHERE R IS IN kW, CX IN pF. RX = 100 kW 50 kW 10 kW 5 kW TA = 25°C VDD = 15 V MONOSTABLE CHARACTERISTICS (For Circuit Diagram See Figure 12 In Application) |
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