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ISL28022FRZ Datasheet(PDF) 7 Page - Intersil Corporation |
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ISL28022FRZ Datasheet(HTML) 7 Page - Intersil Corporation |
7 / 28 page ISL28022 7 FN8386.1 April 26, 2013 tIN Pulse Width Suppression Time at SDA and SCL Inputs Any pulse narrower than the max spec is suppressed. 50 ns tAA SCL Falling Edge to SDA Output Data Valid SCL falling edge crossing 30% of VCC, until SDA exits the 30% to 70% of VCC window. 900 ns tBUF Time the Bus Must be Free Before the Start of a New Transmission SDA crossing 70% of VCC during a STOP condition, to SDA crossing 70% of VCC during the following START condition. 1300 ns tLOW Clock LOW Time Measured at the 30% of VCC crossing. 1300 ns tHIGH Clock HIGH Time Measured at the 70% of VCC crossing. 600 ns tSU:STA START Condition Setup Time SCL rising edge to SDA falling edge. Both crossing 70% of VCC. 600 ns tHD:STA START Condition Hold Time From SDA falling edge crossing 30% of VCC to SCL falling edge crossing 70% of VCC. 600 ns tSU:DAT Input Data Setup Time From SDA exiting the 30% to 70% of VCC window, to SCL rising edge crossing 30% of VCC. 100 ns tHD:DAT Input Data Hold Time From SCL falling edge crossing 30% of VCC to SDA entering the 30% to 70% of VCC window. 20 900 ns tSU:STO STOP Condition Setup Time From SCL rising edge crossing 70% of VCC, to SDA rising edge crossing 30% of VCC. 600 ns tHD:STO STOP Condition Hold Time From SDA rising edge to SCL falling edge. Both crossing 70% of VCC. 600 ns tDH Output Data Hold Time From SCL falling edge crossing 30% of VCC, until SDA enters the 30% to 70% of VCC window. 0ns tR SDA and SCL Rise Time From 30% to 70% of VCC 20 + 0.1 x Cb 300 ns tF SDA and SCL Fall Time From 70% to 30% of VCC 20 + 0.1 x Cb 300 ns Cb Capacitive Loading of SDA or SCL Total on-chip and off-chip 75 pF RPU SDA and SCL Bus Pull-up Resistor Off-chip Maximum is determined by tR and tF. For Cb = 400pF, max is about 2k Ω~2.5kΩ. For Cb = 40pF, max is about 15k Ω~20kΩ 1k Ω Electrical Specifications TA =+25°C,VCC=3.3,VINP= VBUS = 12V, VSENSE= VINP-VINM= 32mV,unless otherwise specified. All voltages with respect to GND pin. (Continued) PARAMETER DESCRIPTION CONDITIONS MIN (Note 9) TYP MAX (Note 9) UNIT |
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