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SP3245ECA-L Datasheet(PDF) 5 Page - Sipex Corporation |
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SP3245ECA-L Datasheet(HTML) 5 Page - Sipex Corporation |
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5 / 22 page  5 Rev M 10/9/06 SP3244E-SP3245E, 3.0V to 5.5V RS-232 Transceivers with Auto On-Line® Plus © Copyright 2006 Sipex Corporation TIMING CHARACTERISTICS Unless otherwise noted VCC = +3.0V to +5.5V, TAMB = TMIN to TMAX, C1–C4 = 0.1µF. Typical values are at TAMB = +25°C, VCC = 3.3V. PARAMETERS SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT SP3244E Maximum Data Rate RL = 3kΩ, CL = 1000pF. One transmitter switching. 250 kbps Driver Propagation Delay tDPHL, tDPLH CL=1000pF 1600 ns Transition-Region Slew Rate RL=3kΩ to 7kΩ, CL=150pF to 1000pF, measurements taken from +3V to -3V or from -3V to +3V. 4 30 V/µs Driver Skew |tDPHL - tDPLH| at zero crossing 50 ns Receiver Propagation Delay tRPHL,tRPLH RIN to ROUT, CL = 150pF 0.15 µs Receiver Output Enable Time tRZH , tRZL 0.04 2.0 µs Receiver Output Disable Time tRZH , tRLZ 0.1 2.0 µs Receiver Skew |tPHL - tPLH| at 1.5V 40 ns SP3245E Maximum Data Rate RL = 3kΩ, CL = 250pF. One transmitter switching. 1000 kbps RL = 3kΩ, CL = 1000pF. One transmitter switching. 500 kbps Driver Propagation Delay tDPHL, tDPLH CL=250pF 700 ns Transition-Region Slew Rate RL=3kΩ to 7kΩ, CL=150pF to 250pF, measurements taken from +3V to -3V or from -3V to +3V. 24 150 V/µs Driver Skew |tDHPL - tDPLH| at zero crossing 100 ns Receiver Propagation Delay tRPHL,tRPLH RIN to ROUT, CL = 150pF 0.15 µs Receiver Output Enable Time tRZH , tRZL 0.05 2.0 µs Receiver Output Disable Time tRZH , tRLZ 0.1 2.0 µs Receiver Skew |tPHL - tPLH| at 1.5V 90 ns |
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