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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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EM357-RTR 数据表(PDF) 18 Page - List of Unclassifed Manufacturers |
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EM357-RTR 数据表(HTML) 18 Page - List of Unclassifed Manufacturers |
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18 / 240 page  EM351 / EM357 Figure 2-2 shows typical output power against power setting on the Ember reference design. Figure 2-2. Transmit Output Power 2.5 Digital I/O Specifications Table 2-5 lists the digital I/O specifications for the EM35x. The digital I/O power (named VDD_PADS) comes from three dedicated pins (Pins 23, 28 and 37). The voltage applied to these pins sets the I/O voltage. Table 2-5. Digital I/O specifications Parameter Test Conditions Min. Typ. Max. Unit Voltage supply (Regulator Input voltage) 2.1 3.6 V Low Schmitt switching threshold VSWIL Schmitt input threshold going from high to low 0.42 x VDD_PADS 0.50 x VDD_PADS V High Schmitt switching threshold VSWIH Schmitt input threshold going from low to high 0.62 x VDD_PADS 0.80 x VDD_PADS V Input current for logic 0 IIL -0.5 μA Input current for logic 1 IIH +0.5 μA 2-5 120-035X-000D Preliminary |
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