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ST3222EBDR Scheda tecnica(PDF) 4 Page - STMicroelectronics |
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ST3222EBDR Scheda tecnica(HTML) 4 Page - STMicroelectronics |
4 / 10 page ST3222E 4/10 TRANSMITTER ELECTRICAL CHARACTERISTICS (C1 -C4 =0.1µFVCC =3V to5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) RECEIVER ELECTRICAL CHARACTERISTICS (C1 -C4 =0.1µFVCC =3V to5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) TIMING CHARACTERISTICS (C1 -C4 =0.1µF, VCC =3V to5.5V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =25°C) (Note 1) Transmitter Skew is measured at the transmitter zero cross points Symbol Parameter Test Conditions Min. Typ. Max. Unit VTOUT Output Voltage Swing All Transmitter outputs are loaded with 3K Ω to GND ± 5 ± 5.4 V RTOUT Transmitter Output Resistance VCC =V+= V- =0V VOUT = ± 2V 300 10M Ω ITSC Output Short Circuit Current ± 60 mA ITOL Output Leakage Current VCC = 0V or 3V to 3.6V VOUT = ± 12V Transmitters Disable ± 25 µA 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 TA = 25°C VCC = 5V 0.8 1.5 VRIH Input Threshold High TA = 25°C VCC = 3.3V 1.5 2.4 V TA = 25°C VCC = 5V 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 = 1.6mA 0.4 V VROH 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 250 Kbps tPHLR tPLHR Propagation Delay Input to Output RXIN to RXOUT CL = 150pF 0.15 µs |tPHLT -tTHL| Transmitter Propagation Delay Difference (Note 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 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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