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ST3222CTR bảng dữ liệu(PDF) 4 Page - STMicroelectronics |
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ST3222CTR bảng dữ liệu(HTML) 4 Page - STMicroelectronics |
4 / 9 page ST3222 4/9 RECEIVER ELECTRICAL CHARACTERISTICS (C1 -C4 =0.1µFVCC =3V to3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) TIMING CHARACTERISTICS (C1 -C4 =0.1µF, VCC =3V to3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) Transmitter Skew is measured at the transmitter zero cross points 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 = 3.3V 0.6 1.2 V VRIH Input Threshold High TA = 25°C VCC = 3.3V 1.5 2.4 V VRIHYS Input Hysteresis 0.5 V RRIN Input Resistance TA = 25°C 3 5 7 K Ω VROL TTL/CMOS Output Voltage Low IOUT = 1.6mA 0.4 V VROH TTL/CMOS Output Voltage High IOUT = -1mA VCC-0.6 VCC-0.1 V Symbol Parameter Test Conditions Min. Typ. Max. Unit DR Data Transfer Rate RL =3KΩ CL2= 1000pF one trasmitter switching 240 400 Kbps tPHLR tPLHR Propagation Delay Input to Output RXIN to RXOUT CL = 150pF 0.2 µs |tPHLT -tTHL| Transmitter Propagation Delay Difference (Note 1) 100 ns tOER Receiver Output Enable Time Normal Operation 200 ns tODR Receiver Output Disable Time Normal Operation 200 ns |tPHLR -tTHR| Receiver Propagation Delay Difference 50 ns SRT Trnasition Slew Rate TA = 25°C RL =3KΩ to 7KΩ VCC = 3.3V measured from +3V to -3V or -3V to +3V CL = 150pF to 1000pF CL = 150pF to 2500pF 6 4 30 30 V/ µs V/ µs |
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