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FUSB308B датащи(PDF) 23 Page - ON Semiconductor |
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FUSB308B датащи(HTML) 23 Page - ON Semiconductor |
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23 / 53 page ![]() FUSB308B www.onsemi.com 23 IO SPECIFICATIONS (continued) TA = −40 to +855C TA = −40 to +1055C (Note 15) TJ= −40 to +1255C Symbol Unit Max Typ Min Conditions VDD (V) Parameter SRC, SNK AND SRC_HV VOH High−Level Output Voltage 3.0 to 5.5 IOH = −2 mA 0.7VDD V I2C INTERFACE PINS – STANDARD, FAST OR FAST MODE PLUS SPEED MODE SDA, SCL) (Note 13) VDDEXT External power supply to which SDA and SCL are pulled up 1.8 3.6 V VILI2C Low−Level Input Voltage 3.0 to 5.5 0.4 V VIHI2C High−Level Input Voltage 3.0 to 5.5 1.2 V VHYS Hysteresis of Schmitt Trigger Inputs 3.0 to 5.5 0.2 V Ii2C Input Current of SDA and SCL Pins, 3.0 to 5.5 Input Voltage 0.26 V to 2 V −10 10 μA ICCTI2C VDD current when SDA or SCL is HIGH 3.0 to 5.5 Input Voltage 1.8 V −10 10 μA VOLSDA Low−Level Output Voltage at 2 mA Sink Current (Open−Drain) 3.0 to 5.5 0 0.36 V IOLSDA Low−Level Output Current (Open−Drain) 3.0 to 5.5 VOLSDA = 0.4 V 20 mA CI (Note 14) Capacitance for Each I/O Pin 3.0 to 5.5 5 pF 13.I2C pull up voltage is required to be between 1.71 V and VDD. FAST MODE PLUS I2C SPECIFICATIONS Symbol Parameter Fast Mode Plus Min. Max. Unit fSCL I2C_SCL Clock Frequency 0 1000 kHz tHD;STA Hold Time (Repeated) START Condition 0.26 μs tLOW Low Period of I2C_SCL Clock 0.5 μs tHIGH High Period of I2C_SCL Clock 0.26 μs tSU;STA Set−up Time for Repeated START Condition 0.26 μs tHD;DAT Data Hold Time 0 μs tSU;DAT Data Set−up Time 50 ns tr Rise Time of I2C_SDA and I2C_SCL Signals (Note 14) 20 × (VDD/5.5 V) 120 ns Tf (Note 14) Fall Time of I2C_SDA and I2C_SCL Signals (Note 14) 20 × (VDD/5.5 V) 120 ns tSU;STO Set−up Time for STOP Condition 0.26 μs tBUF Bus−Free Time between STOP and START Conditions (Note 14) 0.5 μs tSP Pulse Width of Spikes that Must Be Suppressed by the Input Filter 0 50 ns 14.Guaranteed by characterization. Not production tested. 15.Automotive part only, FUSB308BVMPX. |
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