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L99UDL01 データシート(PDF) 31 Page - STMicroelectronics |
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L99UDL01 データシート(HTML) 31 Page - STMicroelectronics |
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31 / 88 page  DS12511 Rev 5 31/88 L99UDL01 Electrical characteristics 87 A.014 VDDSLEEP_R VDD sleep threshold (rising). Upon rising into the operating voltage range the L99UDL01 will enter Standby mode and the RSTB bit in the Global status register will be set. 0.4 1.3 1.9 V A.015 VDDSLEEP_HYS T VDD sleep threshold Hysteresis. 0.25 V A.016 VDDUV Below this threshold the control registers are reset and the device enters standby. The RSTB bit in the Global status register will be set. 22.5 V A.017 VDDUV_Hyst 0.1 V A.018 tVDDUV VDD Undervoltage filter time Tested by scan 64 s A.019 V3V3 V3V3 Voltage Device in RUN mode 220 nF cap on C3V3 pin 3.13 3.3 3.46 V A.020 V3V3RST_F V3V3 reset threshold (falling). Will cause a logic reset 3.3 V regulator voltage below this threshold will hold the L99UDL01 logic state machine into reset. 2.25 2.65 V A.021 V3V3RST_R V3V3 reset threshold (rising). Will cause a logic reset Once in 3V3 reset (A.020), upon rising above V3V3RST_R the L99UDL01 will enter Standby mode and the RSTB bit in the Global status register will be set. 2.4 2.95 V A.022 V3V3RST_HYST V3V3 reset threshold Hysteresis. 0.15 V A.023 t3V3UV 3V3 undervoltage filter time Tested by scan 64 s A.024 V3V3UV_F V3V3 undervoltage threshold (falling). 3.3 V regulator voltage below this threshold will disable all outputs internal and external and the V3V3UV bit in status register 13h will be set. V3V3- 0.3 V3V3- 0.25 V3V3- 0.1 V A.025 V3V3UV_R V3V3 undervoltage threshold (rising). 3.3 V regulator voltage upon rising into the operating voltage range the L99UDL01 will enter Normal and ready mode. V3V3- 0.25 V3V3- 0.15 V3V3- 0.05 V A.026 V3V3UV_HYST 0.1 V Table 6. Supply voltage parameters (continued) Electrical characteristics (-40°C < TJ < 130°C, 6 V < VS < 18 V unless otherwise specified) Req ID Symbol Parameter Test Condition Min. Typ. Max. Unit |
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