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STV6412B 数据表(PDF) 16 Page - STMicroelectronics |
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STV6412B 数据表(HTML) 16 Page - STMicroelectronics |
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16 / 32 page ![]() Electrical characteristics STV6412B 16/32 2.7 I²C bus characteristics TAMB = 25°C, VCCAO = 12 V, VCC = 5 V, VCC12 = 12 V, VDD = 5 V, RLOUTA = 10 kΩ, RLOUTV = 150 Ω, unless otherwise specified. Table 12. I²C bus characteristics Symbol Parameter Test conditions Min Typ Max Units SCL VIL Low level input voltage -0.3 1.5 V VIH High level input voltage 2.3 5.5 V ILI Input leakage current VIN = 0 to 5.5 V -10 0 10 µA fSCL Clock frequency 400 kHz tR Input rise time 1.5 V to 3 V 1 µs tF Input fall time 1.5 V to 3 V 300 ns CI Input capacitance 10 pF SDA VIL Low level input voltage -0.3 1.5 V VIH High level input voltage 2.3 5.5 V ILI Input leakage current VIN = 0 to 5.5 V -10 0 10 µA CI Input capacitance 10 pF tR Input rise time 1.5 V to 3 V 1 µs tF Input fall time 3 V to 1.5 V 300 ns VOL Low level output voltage IOL = 3 mA 0.4 V tF Output fall time 3 V to 1.5 V 250 ns CL Load capacitance 400 pF Timing: SCL frequency = 400 kHz tLOW Clock low period 1.3 µs tHIGH Clock high period 0.6 µs tSU,DAT Data setup time 100 ns tHD,DAT Data hold time 0 340 ns tSU,STO Setup time from clock high to stop 0.6 µs tBUF Start setup time following a stop 1.3 µs tHD,STA Start hold time 0.6 µs tSU,STA Start setup time following clock low to high transition 0.6 µs |
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