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STM32F051K4 数据表(PDF) 71 Page - STMicroelectronics |
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STM32F051K4 数据表(HTML) 71 Page - STMicroelectronics |
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71 / 104 page ![]() Electrical characteristics STM32F051x 72/105 Doc ID 022265 Rev 3 Figure 18. Five volt tolerant (FT and FTf) I/O input characteristics - CMOS port Figure 19. Five volt tolerant (FT and FTf) I/O input characteristics - TTL port MS30257V1 VDD (V) 2.0 VIL/VIH (V) 1.0 2.0 3.6 CMOS standard requirements VIH min= 0.7VDD VILmax = 0.475V DD -0.2 0.5 CMOS standard requirements VILmax = 0.3VDD VIHmin = 0.5V DD +0.2 Input range not guaranteed MS30258V1 VDD (V) 2.0 VIL/VIH (V) 1.0 2.0 3.6 VILmin = 0.475V DD -0.2 0.5 VIHmin = 0.5V DD +0.2 Input range not guaranteed 2.7 TTL standard requirements VIHmin = 2 V TTL standard requirements VILmax = 0.8 V 0.8 |
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