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SCLT3-8BT8 Datasheet(PDF) 21 Page - STMicroelectronics |
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SCLT3-8BT8 Datasheet(HTML) 21 Page - STMicroelectronics |
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21 / 33 page ![]() SCLT3-8BT8 Functional description Doc ID 15191 Rev 3 21/33 Table 10. SPI serial bus link electrical characteristics(1) Symbol Pin Name Conditions Min. Typ. Max. Unit tLD SCK Enable lead time /CS falling to SCK rising - - 50 ns tHC SCK Clock hold time SCK falling to /CS rising - - 250 ns tDT /CS Transfer delay time /CS rising to /CS falling - 500 - ns CIN SCK, /CS, MOSI Input capacitance - 10 - pF tRC Input filter time constant Referred to VDD -4- ns IIN Input pull up current LVI = 0 V 15 22 30 µA tS MOSI Data setup time MOSI toggling to SCK rising -- 25 ns tH MOSI Data hold time SCK rising to MOSI toggling -- 25 ns LVIH MOSI SCK, /CS Logic input high voltage Share of VDD -- 70 % LVIL Logic input low voltage Share of VDD 30 - - % LVOH /MISO MISO Logic output high voltage IOH = 3 mA 4 4.5 - V LVOL Logic output low voltage IOH = 3 mA - 0.45 1 V tD /MISO MISO Write out propagation time SCK falling to MISO toggling , CO = 15 pF -35 50 ns tRO, tFO /MISO MISO MISO signal fall/rise time IMISO = 3 mA - 20 50 ns CO = 15 pF - 20 50 ns tA MISO Output access time /CS falling to MISO toggling -55 80 ns 1. TJ = 25 °C, VCC = 24 V, VDD = 5 V with respect to COMS ground pin, unless otherwise specified. |
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