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STV9306 Arkusz danych(PDF) 6 Page - STMicroelectronics |
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STV9306 Arkusz danych(HTML) 6 Page - STMicroelectronics |
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6 / 12 page ![]() I 2C BUS CHARACTERISTICS Symbol Parameter Test Conditions Min. Typ. Max. Unit SCL (Pin 1) VIL Low Level Input Voltage -0.3 +1.5 V VIH High Level Input Voltage 3.0 5.5 V ILI Input Leakage Current VIN = 0 to 5V -10 +10 µA fSCL Clock Frequency 0 100 kHz tR Input Rise Time 1.5V to 3V 1000 ns tF Input Fall Time 1.5V to 3V 300 ns CI Input Capacitance 10 pF SDA (Pin 3) VIL Low Level Input Voltage -0.3 +1.5 V VIH High Level Input Voltage 3.0 5.5 V ILI Input Leakage Current VIN = 0 to 5V -10 +10 µA CI Input Capacitance 10 pF tR Input Rise Time 1.5V to 3V 1000 ns tF Input Fall Time 1.5V to 3V 300 ns VOL Low Level Output Voltage IOL = 3mA 0.4 V tF Output Fall Time 3V to 1.5V 250 ns CL Load Capacitance 400 pF TIMING tLOW Clock Low Period 4.7 µs tHIGH Clock High Period 4.0 µs tSU, DAT Data Set-up Time 250 ns tHD, DAT Data Hold Time 0 340 ns tSU, STO Set-up Time from Clock High to Stop 4.0 µs tBUF Start Set-up Time following a Stop 4.7 µs tHD, STA Start Hold Time 4.0 µs tSU, STA Start Set-up Time following Clock Low-to High Transition 4.7 µs SDA SCL SDA t BUF t LOW t HD,STA t R t HD,DAT t HIGH t F t SU,DAT t SU,STO t SU,STA Figure 11 : I 2C Bus Timing STV9306 6/12 |
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