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L9924L датащи(PDF) 59 Page - STMicroelectronics |
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L9924L датащи(HTML) 59 Page - STMicroelectronics |
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59 / 84 page ![]() DocID028840 Rev 3 59/84 L9924L SPI interface 83 12.2.3 MISO output 12.3 SPI timing All electrical characteristics are valid for the following conditions unless otherwise noted. Tj = -40 to 155 °C, 6 V VB 40 V Table 38. MISO output electrical characteristics # Symbol Parameter Test condition Min. Typ. Max. Unit 1VMISOL MISO low level I(MISO) = 2 mA - 0.2 0.4 V 2VMISOH MISO high level I(MISO) = -2 mA VDD-0.5 - VDD V 3IMISOLeak MISO leakage current Tri-state leakage V(MISO) = V(GND) V(MISO) = V(VDD) -2 - 2 µA Table 39. SPI timing characteristics # Symbol Parameter Test condition Min Max Units 1fop Transfer frequency Design Information - 2 MHz 2tsclk SCLK period Design Information 500 - ns 3tlead Enable lead time Design Information 1500 - ns 4tlag Enable lag time Design Information 50 - ns 5tsclkhs SCLK high time Design Information 200 - ns 6tsclkls SCLK low time Design Information 200 - ns 7tsus MOSI input setup time Design Information 20 - ns 8ths MOSI input hold time Design Information 20 - ns 9ta MISO access time 50 - 60 ns 10 tdis MISO disable time 50 pF load - 100 ns 11 tvs MISO output valid time 50 pF load - 66 ns 12 tho MISO output hold time 50 pF load 0 - ns 13 tr MISO rise time 50 pF load - 30 ns 14 tf MISO fall time 50 pF load - 30 ns 15 tcsn CSN negated time Design Information 1500 - ns 16 tsh SCLK hold time Design Information 20 - ns 17 tcsgrt CSN noise glitch rejection time - - TBC ns 18 Tintfrm SPI inter-frame time Design Information 15 µs |
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