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SN75LBC978DLRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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SN75LBC978DLRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 19 page SN75LBC978 9CHANNEL DIFFERENTIAL TRANSCEIVER SLLS134F − APRIL 1992 − REVISED APRIL 2005 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT Supply voltage, VCC 4.75 5 5.25 V Voltage at any bus terminal (separately or common-mode), VO, VI, or VIC B + or B − 12 V Voltage at any bus terminal (separately or common-mode), VO, VI, or VIC B + or B − −7 V High-level input voltage, VIH All except B + and B − 2 V Low-level input voltage, VIL All except B + and B − 0.8 V High-level output current, IOH B + or B − −60 mA High-level output current, IOH A −8 mA Low-level output current, IOL B + or B − 60 mA Low-level output current, IOL A 8 mA Operating free-air temperature, TA 0 70 °C device electrical characteristics over recommended ranges of operating conditions PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT IIH High-level input current A, WRAP, DE/RE VIH = 2 V − 200 µA IIH High-level input current CE See Figure 1 VIH = 2 V 100 µA IIL Low-level input current A, WRAP, DE/RE See Figure 1 VIL = 0.8 V − 200 µA IIL Low-level input current CE VIL = 0.8 V 100 µA All drivers and receivers disabled CE at 0 V 1.4 3 mA ICC Supply current All receivers enabled No load, CE at 5 V, VID = 5 V, WRAP and DE/RE at 0 V 29 45 mA All drivers enabled No load, WRAP at 0 V CE and DE/RE at 5 V, 7 10 mA CO Bus port output capacitance B + or B − 19 pF Cpd Power dissipation capacitance One driver 460 pF Cpd Power dissipation capacitance One receiver 40 pF driver electrical characteristics over recommended ranges of operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT |VOD | Differential output voltage Vtest = − 7 V to 12 V, See Figure 2 1 2 V IOS Output short-circuit current See Figure 3 ±250 mA IOZ High-impedance-state output current See receiver input current |
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