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Si8400AA-B-IS Datasheet(PDF) 5 Page - Silicon Laboratories |
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Si8400AA-B-IS Datasheet(HTML) 5 Page - Silicon Laboratories |
5 / 34 page Si840x Rev. 1.6 5 Table 3. Si8400/01/02/05 Electrical Characteristics for Bidirectional I2C Channels1 3.0 V < VDD < 5.5 V. TA = –40 to +125 °C. Typical specs at 25 °C unless otherwise noted. Parameter Symbol Test Condition Min Typ Max Unit Logic Levels Side A Logic Input Threshold2 Logic Low Output Voltages3 Input/Output Logic Low Level Difference4 I2CVT (Side A) I2CVOL (Side A) I2CV (Side A) ISDAA = ISCLA = 3.0 mA ISDAA = ISCLA = 0.5 mA 450 650 550 50 — — — — 780 910 825 — mV mV mV mV Logic Levels Side B Logic Low Input Voltage Logic High Input Voltage Logic Low Output Voltage I2CVIL (Side B) I2CVIH (Side B) I2CVOL (Side B) ISCLB = 35 mA — 2.0 — — — — 0.8 — 400 V V mV SCL and SDA Logic High Leakage Isdaa, Isdab Iscla, Isclb SDAA, SCLA = VSSA SDAB, SCLB = VSSB —2.0 10 µA Pin capacitance SDAA, SCLA, SDAB, SDBB CA CB — — 10 10 — — pF pF Notes: 1. All voltages are relative to respective ground. 2. VIL < 0.450 V, VIH > 0.780 V. 3. Logic low output voltages are 910 mV max from –10 to 125 °C at 3.0 mA. Logic low output voltages are 955 mV max from –40 to 125 °C at 3.0 mA. Logic low output voltages are 825 mV max from –10 to 125 °C at 0.5 mA. Logic low output voltages are 875 mV max from –40 to 125 °C at 0.5 mA. See “AN375: Design Considerations for Isolating an I2C Bus or SMBus” for additional information. 4. I2CV (Side A) = I2CVOL (Side A) – I2CVT (Side A). To ensure no latch-up on a given bus, I2CV (Side A) is the minimum difference between the output logic low level of the driving device and the input logic threshold. 5. Side A measured at 0.6 V. |
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