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L99H01 数据表(PDF) 21 Page - STMicroelectronics |
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L99H01 数据表(HTML) 21 Page - STMicroelectronics |
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21 / 53 page ![]() DocID15567 Rev 6 21/53 L99H01 Electrical specifications 52 Table 21. DO timing Item Symbol Parameter Test condition Min. Typ. Max. Unit 21.1 tr DO DO rise time CL = 100 pF; Iload =-1mA — 80 140 ns 21.2 tf DO DO fall time CL = 100 pF; Iload = 1 mA — 50 100 ns 21.3 ten DO tri L DO enable time from tristate to low-level CL = 100 pF; Iload =1 mA; pull-up load to VCC — 100 250 ns 21.4 tdis DO L tri DO disable time from low-level to tristate CL = 100 pF; Iload =4 mA; pull-up load to VCC — 380 450 ns 21.5 ten DO tri H DO enable time from tristate to high-level CL = 100 pF; Iload = -1 mA; pull-down load to GND — 100 250 ns 21.6 tdis DO H tri DO disable time from high-level to tristate CL = 100 pF; Iload = -4 mA; pull-down load to GND — 380 450 ns 21.7 td DO DO delay time VDO <0.3 VCC; VDO >0.7 VCC; CL = 100 pF — 50 250 ns Table 22. EN, CSN timing Item Symbol Parameter Test condition Min. Typ. Max. Unit 22.1 tr DO DO rise time CL = 100 pF; Iload =-1 mA 80 140 ns 22.2 tf DO DO fall time CL = 100 pF; Iload =1 mA 50 100 ns 22.3 tCSN_HI,min CSN HI time, active mode:the min high time between two independent SPI commands. Transfer of SPI- command to input register 2µs |
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