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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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L9908 数据表(PDF) 6 Page - STMicroelectronics |
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L9908 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 152 page  Table 2. Safety related digital input pins functional partitioning Pins Default State Description NDIS Type B – Internal Resistance Pull-down SPI Pin (SPI communication related pin) EN_BR Type B – Internal Resistance Pull-down SPI Pin (SPI communication related pin) Table 3. NDIS and EN_BR electrical characteristics Symbol Parameter Test Condition Min Typ Max Unit Notes NDIS_ll_th NDIS Input Low Level -0.3 - 0.8 V - NDIS_hl_th NDIS Input High Level 2 - 65 V - T_ndis_flt NDIS filtering time 1 2.5 5 μs Analog filter NDIS_in_ipd NDIS Pull Down Current NDIS = VIO -65 -40 -15 μA - EN_BR_ll_th EN_BR Input Low Level -0.3 - 0.8 V - EN_BR _hl_th EN_BR Input High Level 2 - 65 V - T_en_br_flt EN_BR filtering time 1 2.5 5 μs Digital filter EN_BR _in_ipd EN_BR Pull Down Current EN_BR = VIO -65 -40 -15 μA - The state of Safety control pins EN_BR and NDIS is echoed into dedicated SPI readable bits EN_BR_ECHO and NDIS_ECHO in the register GEN_STATUS2. L9908 Block diagram and pin description DS13546 - Rev 5 page 6/152 |
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