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L9678P 데이터시트(PDF) 171 Page - STMicroelectronics |
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L9678P 데이터시트(HTML) 171 Page - STMicroelectronics |
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171 / 203 page ![]() DocID029274 Rev 3 171/203 L9678P, L9678P-S Electrical characteristics 202 Note: All timing is shown with respect to 10% and 90% of the actual delivered VDDQ voltage. Figure 58. SPI timing diagram Table 25. SPI AC specifications N° Symbol Parameter Condition Min Typ Max Unit 1FSCLK SPI Transfer frequency - - 8 8.08 MHz 2TSCLK SPI_SCK period - 123.8 - - ns 3TLEAD Enable lead time - 250 - - ns 4TLAG Enable lag time - 50 - - ns 5THIGH_SCLK SPI_SCK high time - 50 - - ns 6TLOW_SCLK SPI_SCK low time - 50 - - ns 7TSETUP_MOSI SPI_MOSI input setup time -20 - - ns 8THOLD_MOSI SPI_MOSI input hold time -20 - - ns 9TACC_MISO SPI_MISO access time 80pF load - - 60 ns 10 TDIS_MISO SPI_MISO disable time 80pF load - - 100 ns 11 TVALID_MISO_OUT SPI_MISO output valid time 80pF load - - 30 ns 12 THOLD_MISO_OUT SPI_MISO output hold time 80pF load 0 - - ns 13 TSETUP_MISO_IN SPI_MISO Input Setup Time 20 ns 14 THOLD_MISO_IN SPI_MISO Input Hold Time 20 ns 15 THOLD_SCLK SPI_SCK hold time - 20 - - ns 16 TFLT_CS SPI_CS noise glitch rejection time -50 - 300 ns 17 TNODATA SPI interframe time - 400 - - ns |
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