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MAX3237E Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX3237E Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 26 page ±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers 4 _______________________________________________________________________________________ TIMING CHARACTERISTICS—MAX3237E (VCC = +3V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 3) Note 3: MAX3222E/MAX3232E/MAX3241E: C1–C4 = 0.1µF tested at +3.3V ±10%; C1 = 0.047µF, C2, C3, C4 = 0.33µF tested at +5.0V ±10%. MAX3237E: C1–C4 = 0.1µF tested at +3.3V ±5%, C1–C4 = 0.22µF tested at +3.3V ±10%; C1 = 0.047µF, C2, C3, C4 = 0.33µF tested at +5.0V ±10%. MAX3246E; C1-C4 = 0.22µF tested at +3.3V ±10%; C1 = 0.22µF, C2, C3, C4 = 0.54µF tested at 5.0V ±10%. Note 4: MAX3246E devices are production tested at +25°C. All limits are guaranteed by design over the operating temperature range. Note 5: The MAX3237E logic inputs have an active positive feedback resistor. The input current goes to zero when the inputs are at the supply rails. Note 6: MAX3241EEUI is specified at TA = +25°C. Note 7: Transmitter skew is measured at the transmitter zero crosspoints. PARAMETER CONDITIONS MIN TYP MAX UNITS RL = 3k Ω, CL = 1000pF, one transmitter switching, MBAUD = GND 250 VCC = +3.0V to +4.5V, RL = 3k Ω, CL = 250pF, one transmitter switching, MBAUD = VCC 1000 Maximum Data Rate VCC = +4.5V to +5.5V, RL = 3k Ω, CL = 1000pF, one transmitter switching, MBAUD = VCC 1000 kbps tPHL 0.15 Receiver Propagation Delay R_IN to R_OUT, CL = 150pF tPLH 0.15 µs Receiver Output Enable Time Normal operation 2.6 µs Receiver Output Disable Time Normal operation 2.4 µs | tPHL - tPLH |, MBAUD = GND Transmitter Skew (Note 7) | tPHL - tPLH |, MBAUD = VCC 100 ns Receiver Skew | tPHL - tPLH | 50 ns MBAUD = GND 6 30 CL = 150pF to 1000pF MBAUD = VCC 24 150 VCC = +3.3V, RL = 3k Ω to 7kΩ, +3.0V to -3.0V or -3.0V to +3.0V, TA = +25°C CL = 150pF to 2500pF, MBAUD = GND 430 V/µs Transition-Region Slew Rate TIMING CHARACTERISTICS—MAX3222E/MAX3232E/MAX3241E/MAX3246E (VCC = +3V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 3, 4) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS TA = TMIN to TMAX (MAX3222E/MAX3232E/ MAX3241E) (Note 6) 250 Maximum Data Rate RL = 3k Ω, CL = 1000pF, one transmitter switching TA = +25°C (MAX3246E) 250 kbps tPHL 0.15 Receiver Propagation Delay tPLH Receiver input to receiver output, CL = 150pF 0.15 µs Receiver Output Enable Time Normal operation (except MAX3232E) 200 ns Receiver Output Disable Time Normal operation (except MAX3232E) 200 ns Transmitter Skew |tPHL - tPLH| (Note 7) 100 ns Receiver Skew |tPHL - tPLH|50 ns Transition-Region Slew Rate VCC = +3.3V, TA = +25°C, RL = 3k Ω to 7kΩ, measured from +3.0V to -3.0V or -3.0V to +3.0V, one transmitter switching CL = 150pF to 1000pF 630 V/µs |
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Similar Description - MAX3237E |
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