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DS36954M Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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DS36954M Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 10 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage 7V Control Input Voltage V CC + 0.5V Driver Input Voltage V CC + 0.5V Driver Output Voltage/ Receiver Input Voltage −10V to +15V Receiver Output Voltage 5.5V Continuous Power Dissipation @ +25˚C V Package 1.73W M Package 1.73W Derate V Package 13.9 mW/˚C above +25˚C Derate M Package 13.7 mW/˚C above +25˚C Storage Temperature Range −65˚C to +150˚C Lead Temperature (Soldering 4 Sec.) 260˚C Recommended Operating Conditions Min Max Units Supply Voltage, V CC 4.75 5.25 V Bus Voltage −7 +12 V Operating Free Air Temperature (T A) 0 +70 ˚C Electrical Characteristics (Note 2) Over Supply Voltage and Operating Temperature ranges, unless otherwise specified Symbol Parameter Conditions Min Typ Max Units DRIVER CHARACTERISTICS V ODL Differential Driver Output I L = 60 mA 1.5 1.9 V Voltage (Full Load) V CM = 0V V OD Differential Driver Output R L = 100Ω (EIA-422) 2.0 2.25 V Voltage (Termination Load) R L = 54Ω (EIA-485) 1.5 2.0 V ∆IVODI Change in Magnitude of Driver R L = 54 or 100Ω Differential Output Voltage for (Note 4) (Figure 1 ) 0.2 V Complementary Output States (EIA-422/485) V OC Driver Common Mode R L = 54Ω (Figure 1 ) (EIA-485) 3.0 V Output Voltage (Note 5) ∆IVOCI Change in Magnitude of (Note 4) (Figure 1 ) 0.2 V Common Mode Output Voltage (EIA-422/485) V OH Output Voltage High I OH = −55 mA 2.7 3.2 V V OL Output Voltage Low I OL = 55 mA 1.4 1.7 V V IH Input Voltage High 2.0 V V IL Input Voltage Low 0.8 V V CL Input Clamp Voltage I CL = −18 mA −1.5 V I IH Input High Current V IN = 2.4V (Note 3) 20 µA I IL Input Low Current V IN = 0.4V (Note 3) −20 µA I OSC Driver Short-Circuit V O = −7V (EIA-485) −130 −250 mA Output Current V O = 0V (EIA-422) −90 −150 mA (Note 9) V O = +12V (EIA-485) 130 250 mA RECEIVER CHARACTERISTICS I OSR Short Circuit Output Current V O = 0V (Note 9) −15 −28 −75 mA I OZ TRI-STATE® Output Current V O = 0.4V to 2.4V 20 µA V OH Output Voltage High V ID = 0.2V, IOH = 0.4 mA 2.4 3.0 V V OL Output Voltage Low V ID = −0.2V, IOL = 4 mA 0.35 0.5 V V TH Differential Input High V O = VOH,IO = −0.4 mA 0.03 0.2 V Threshold Voltage (EIA-422/485) V TL Differential Input Low V O = VOL,IO = 4.0 mA −0.20 −0.03 V Threshold Voltage (Note 6) (EIA-422/485) V HST Hysteresis (Note 7) V CM = 0V 35 60 mV DRIVER AND RECEIVER CHARACTERISTICS V IH Enable Input Voltage High 2.0 V V IL Enable Input Voltage Low 0.8 V www.national.com 2 |
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