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ST3222EBTR bảng dữ liệu(PDF) 6 Page - STMicroelectronics |
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ST3222EBTR bảng dữ liệu(HTML) 6 Page - STMicroelectronics |
6 / 15 page Electrical characteristics ST3222E 6/15 Table 9. Receiver electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit IOL Output leakage current R-OUT, EN = VCC, receiver disabled ± 0.05 ± 10 µA VRIN Receiver input voltage operating range -25 25 V VRIL Input threshold low TA = 25°C, VCC = 3.3 V 0.6 1.2 V TA = 25°C, VCC = 5 V 0.8 1.5 VRIH Input threshold high TA = 25°C, VCC = 3.3 V 1.5 2.4 V TA = 25°C, VCC = 5 V 1.8 2.4 VRIHYS Input hysteresis 0.5 V RRIN Input resistance TA = 25°C 3 5 7 K Ω VROL Output voltage low IOUT = 1.6 mA 0.4 V VROH Output voltage high IOUT = -1 mA VCC-0.6 VCC- 0.1 V Table 10. Timing characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C) Symbol Parameter Test conditions Min. Typ. Max. Unit DR Data transfer rate RL = 3 KΩ, CL2= 1000 pF one transmitter switching 250 Kbps tPHLR tPLHR Propagation delay input to output RXIN to RXOUT, CL = 150 pF 0.15 µs |tPHLT - tTHL| Transmitter propagation delay difference (1) 200 ns tOER Receiver output enable time Normal operation 50 ns tODR Receiver output disable time Normal operation 50 ns |tPHLR - tTHR| Receiver propagation delay difference 50 ns SRT Transition slew rate TA = 25°C RL = 3 KΩ to 7 KΩ VCC = 3.3 V measured from +3V to -3V or -3V to +3V CL = 150 pF to 1000 pF 630 V/µs TA = 25°C RL = 3 KΩ to 7 KΩ VCC = 3.3 V measured from +3V to -3V or -3V to +3V CL = 150 pF to 2500 pF 430 V/µs 1. Transmitter Skew is measured at the transmitter zero cross points |
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