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MC34703 데이터시트(PDF) 10 Page - Freescale Semiconductor, Inc |
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MC34703 데이터시트(HTML) 10 Page - Freescale Semiconductor, Inc |
10 / 46 page Analog Integrated Circuit Device Data 10 Freescale Semiconductor 34703 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS CONTROL AND SUPERVISORY CIRCUITS (EN1, EN2, RESET, CLKSEL, ADDR, RT) Enable (EN1, EN2) Input Voltage Threshold VTHEN 1.2 1.6 2.0 V Enable (EN1, EN2) Input Voltage Threshold Hysteresis (21) VIHYS – 0.1 – V Enable (EN1, EN2) Pull-Down Resistance RPU 30 60 90 k Ω RESET Low-Level Output Voltage, IOL = 5.0 mA VOL – 0.1 0.4 V RESET Leakage Current, OFF State, Pulled Up to 5.0 V ILKGRST – – 10 µA RESET Undervoltage Threshold on VOUT (∆VOUT/VOUT) (20) VOUTITH -12 -7.5 -4.0 % RESET Overvoltage Threshold on VOUT (∆VOUT/VOUT) (20) VOUTITH 4.0 7.5 12 % RESET Undervoltage Threshold on VLDO (∆VLDO/VLDO) (20) VLDOITH -12 -7.5 -4.0 % RESET Overvoltage Threshold on VLDO (∆VLDO/VLDO) (20) VLDOITH 4.0 7.5 12 % RT Voltage Threshold VTHRT 0.8 1.2 1.5 V RT current source ISRT 17 25 34 mA RT Saturation Voltage, Reset Timer Current = 300 µA VSATRT – 45 100 mV Maximum Value of the RT Capacitor CT – – 33 µF CLKSEL Threshold Voltage VTHCLKS 1.2 1.6 2.0 V CLKSEL Pull-Up Resistance RPUCLKS 60 120 240 k Ω ADDR Threshold Voltage VTHADDR 1.2 1.6 2.0 V ADDR Pull-Up Resistance RPUADDR 60 120 240 k Ω I2C Bus (SDA, SCL) Input Threshold Voltage VITH 1.3 – 1.7 V Input Voltage Threshold Hysteresis (21) VIHYS – 0.2 – V SDA, SCL Input Current, Input Voltage = 0.4 V to 5.5 V II – – 10 µA SDA Low-Level Output Voltage, 3.0 mA Sink Current VOL – – 0.4 V SDA, SCL Capacitance CI – – 10 pF Notes 20. This parameter does not include the tolerance of the external resistor divider. 21. Not production tested for typical values specified. Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions -40°C ≤ TJ ≤ 85°C unless otherwise noted. Input voltages 2.8 V ≤ VIN ≤ 13.5 V. Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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