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Si8400AA-A-IS Datasheet(PDF) 7 Page - Silicon Laboratories |
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Si8400AA-A-IS Datasheet(HTML) 7 Page - Silicon Laboratories |
7 / 34 page Si840x Rev. 1.6 7 Table 4. Electrical Characteristics for Unidirectional Non-I2C Digital Channels (Si8402/05) 3.0 V < VDD < 5.5 V. TA = –40 to +125 °C. Typical specs at 25 °C Parameter Symbol Test Condition Min Typ Max Unit High Level Input Voltage VIH 2.0 — — V Low Level Input Voltage VIL —— 0.8 V High Level Output Voltage VOH loh = –4 mA AVDD, BVDD –0.4 4.8 — V Low Level Output Voltage VOL lol = 4 mA — 0.2 0.4 V Input Leakage Current IL —— ±10 µA Output Impedance1 ZO —85 — Timing Characteristics Maximum Data Rate 0 — 10 Mbps Minimum Pulse Width — — 40 ns Propagation Delay tPHL, tPLH See Figure 1 — — 20 ns Pulse Width Distortion |tPLH - tPHL| PWD See Figure 1 — — 12 ns Propagation Delay Skew2 tPSK(P-P) — — 20 ns Channel-Channel Skew tPSK — — 10 ns Output Rise Time tr C3 =15pF See Figure 1 and Figure 2 —4.0 6.0 ns Output Fall Time tf C3 =15pF See Figure 1 and Figure 2 —3.0 4.3 ns Notes: 1. The nominal output impedance of a non-I2C isolator driver channel is approximately 85 , ±40%, which is a combination of the value of the on-chip series termination resistor and channel resistance of the output driver FET. When driving loads where transmission line effects will be a factor, output pins should be appropriately terminated with controlled impedance PCB traces. 2. tPSK(P-P) is the magnitude of the difference in propagation delay times measured between different units operating at the same supply voltages, load, and ambient temperature. |
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