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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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STPM32 数据表(PDF) 20 Page - STMicroelectronics |
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STPM32 数据表(HTML) 20 Page - STMicroelectronics |
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20 / 121 page  Electrical characteristics STPM32, STPM33, STPM34 20/121 DS10272 Rev 8 tpZL Enable to low level time VCC = 3.3 V ± 10%, VIN = 0 to 3 V, 1 MHz, Rise time = fall time = 6 ns RL = 1 kΩ, CL = 50 pF see Figure 10 -25 - ns tpLZ Disable from low level time -15 - ns UART timings(3) t1 - CS enable to RX start 5 - - ns t2 - Stop bit to CS disable 1 - - μs t3 - CS disable to TX idle hold time - - 250 ns tpZH Enable to high level time VCC = 3.3 V ± 10%, VIN = 0 to 3 V, 1 MHz, Rise time = fall time = 6 ns RL = 1 kΩ, CL = 50 pF see Figure 10 -21 - ns tpHZ Disable from high level time -11 - ns SYN timings(3) t_ltch Time between de-selection and latch -20 - - ns t_lpw Latch pulse width - 4 - - μs t_w Time between two consecutive latch pulses -4 - - μs t_rpw Reset pulse width - 4 - - μs t_rel Time between pulse and selection -40 - - ns t_startup Time between power- on and reset -35 - - ms 1. Guaranteed by design. 2. Guaranteed by characterization. 3. Guaranteed by application. Table 5. Electrical characteristics (continued) Symbol Parameter Test conditions Min. Typ. Max. Unit |
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