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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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L9788 데이터시트(PDF) 55 Page - STMicroelectronics |
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L9788 데이터시트(HTML) 55 Page - STMicroelectronics |
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55 / 264 page  DS12308 Rev 4 55/264 L9788 Watchdog 263 Note: These clock-tolerances have to be taken into account additionally. As output (open drain): 5.5 V ≤ VB_IN ≤ 18 V, Tj -40 to 175 °C unless otherwise specified; As input: 5.5 V ≤ VB_IN ≤ 18V, 4.75 V ≤ VDD_IO ≤ 5.25 V Tj -40 to 175 °C unless otherwise specified; Table 23. WDA circuit electrical characteristic Symbol Parameter Test condition Min Typ Max Unit Pin WDA_UV_LO Output low voltage 1 < VDD5 < VDD_UV Rreset = 4.7 kΩ --0.6 V WDA WDA_IUVres_max Input current VDD5 = VDD_UV VUV_reset = 0.6 V 5- - mA WDA WDA_IlkUV_reset Input leakage current VUV_reset> VDD_UV - - 1 µA WDA Table 24. WDA reset circuit electrical characteristic Symbol Parameter Test condition Min Typ Max Unit Pin WDA_RST_L WDA input low voltage - -0.3 - 1.1 V WDA WDA_RST_H WDA input high voltage - 2.3 - VDD_IO +0.3 VWDA WDA_Trst_flt WDA Reset filter time Tested by scan - 10 - µs WDA - WDA pull up external resistor Application note, parameter not tested 50 - 250 kΩ WDA |
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