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FUSB301 Datasheet(PDF) 6 Page - ON Semiconductor |
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FUSB301 Datasheet(HTML) 6 Page - ON Semiconductor |
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6 / 14 page ![]() FUSB301 www.onsemi.com 6 TIMING PARAMETERS Symbol Unit TA = −40 to +855C TJ = −40 to +1255C Parameter Symbol Unit Max. Typ. Min. Parameter tDRPToggle2 For DRP Operation, Time Spent in Unat- tached.Source before going to Unattached.Sink State DRPROGGLE = 00 15 30 ms DRPROGGLE = 01 20 40 DRPROGGLE = 10 25 50 DRPROGGLE = 11 30 60 IO SPECIFICATIONS Symbol Parameter VDD (V) Conditions TA = −40 to +855C TJ = −40 to +1255C Unit Min. Typ. Max. Unit Host Interface Pins (ID) VOLID Output Low Voltage 3.0 to 5.5 IOL = 4 mA 0.4 V Host Interface Pins (SS_SW) VOHSW Output High Voltage 3.0 to 5.5 IOH = −2 mA 0.7VDD V VOLSW Output Low Voltage 3.0 to 5.5 IOL = 4 mA 0.4 V Host Interface Pins (INT_N) VOLINTN Output Low Voltage 3.0 to 5.5 IOL = 4 mA 0.4 V I2C Interface Pins − Fast Mode SDA, SCL 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 In- puts 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 mA ICCTI2C VDD Current when SDA and SCL is HIGH 3.0 to 5.5 Input Voltage 1.8 V −10 10 mA VOLSDA Low−Level Output Voltage at 3 mA Sink Current (Open−Drain) 3.0 to 5.5 0 0.3 V CI Capacitance for Each I/O Pin 3.0 to 5.5 10 pF FAST MODE I2C SPECIFICATIONS (see Figure 4) Symbol Parameter Fast Mode Unit Min. Max. fSCL I2C_SCL Clock Frequency 0 400 kHz tHD;STA Hold Time (Repeated) START Condition 0.6 ms tLOW LOW Period of I2C_SCL Clock 1.3 ms tHIGH HIGH Period of I2C_SCL Clock 0.6 ms tSU;STA Set−up Time for Repeated START Condition 0.6 ms tHD;DAT Data Hold Time 0 0.9 ms tSU;DAT Data Set−up Time (Note 2) 100 ns tr Rise Time of I2C_SDA and I2C_SCL Signals (Note 3) 20*(VDD/5.5V) 250 ns tf Fall Time of I2C_SDA and I2C_SCL Signals (Note 3) 20*(VDD/5.5V) 250 ns tSU;STO Set−up Time for STOP Condition 0.6 ms |
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