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MB91F583ASH датащи(PDF) 160 Page - Cypress Semiconductor |
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MB91F583ASH датащи(HTML) 160 Page - Cypress Semiconductor |
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160 / 176 page ![]() Document Number: 002-04665 Rev *A Page 159 of 175 MB91580M/S Series 11.4.8 Low-voltage Detection (External Low-voltage Detection) (TA: Recommended operating conditions, VSS=AVSS=0.0V) Parameter Symbol Pin name Conditions Value Unit Remarks Min Typ Max Power supply voltage range VDP5 VCC5 - 3.7 - 5.5 V Detection voltage VDL VCC5 *1 -8% 3.9 +8% V When power supply voltage falls and detection level is set initially Hysteresis width VHYS VCC5 - - 0.1 - V When power supply voltage rises Low-voltage detection time Td - - - - 30 μs Power supply voltage fluctuation rate - VCC5 - -2 - 2 V/ms *2 *1: If the fluctuation of the power supply has exceeded the detection voltage range within the time less than the low-voltage detection time (Td), there is the possibility to generate or release after the power supply voltage has exceeded the detection voltage range. *2: In order to perform the low-voltage detection at the detection voltage (VDL), be sure to suppress fluctuation of the power supply within the limits of the power supply voltage fluctuation rate. 11.4.9 Low-voltage Detection (Internal Low-voltage Detection) (TA: Recommended operating conditions, VSS=AVSS=0.0V) Parameter Symbol Pin name Conditions Value Unit Remarks Min Typ Max Power supply voltage range VRDP5 - - 1.1 - 1.3 V Detection voltage VRDL - * 0.8 0.9 1.0 V When power supply voltage falls Hysteresis width VRHYS - - - 0.1 - V When power supply voltage rises Low-voltage detection time - - - - - 30 μs *: If the fluctuation of the power supply is faster than the low-voltage detection time, there is a possibility to generate or release after the power supply voltage has exceeded the detection voltage range. |
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