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SN75976A1DGGR Datasheet(PDF) 8 Page - Texas Instruments |
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SN75976A1DGGR Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 35 page  SN75976A, SN55976A 9-CHANNEL DIFFERENTIAL TRANSCEIVER SLLS218B – MAY 1995 – REVISED MAY 1997 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN55976A SN75976A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT S1 to A, VT = 5 V, See Figure 1 0.7 1 1.8 V VODH Driver differential high- level output voltage S1 to B, TC ≥ 25°C VT = 5 V, See Figure 1 1 1.4 V level out ut voltage S1 to B, See Figure 1 VT = 5 V, 0.7 0.8 V D i diff ti l l S1 to A, TC ≥ 25°C VT = 5 V, See Figure 1 0.7 – 1.4 –1 – 1.4 V VODL Driver differential low- level output voltage S1 to B, VT = 5 V, See Figure 1 0.7 – 1.8 –1 – 1.8 V level out ut voltage S1 to A, See Figure 1 VT = 5 V, – 0.8 – 1.4 – 0.8 – 1.4 V VOH High-level output volt- age A side, IOH = – 8 mA VID = 200 mV, See Figure 3 4 4.5 4 4.5 V OH age B side, VT = 5 V, See Figure 1 3 3 V VOL Low-level output volt- age A side, IOH = 8 mA VID = –200 mV, See Figure 3 0.6 0.8 0.6 0.8 V OL age A side, VT = 5 V, See Figure 1 1 1 V VIT+ Receiver positive-go- ing differential input threshold voltage IOH = – 8 mA, See Figure 3 0.2 0.2 V VIT– Receiver negative- going differential input threshold voltage IOL = 8 mA, See Figure 3 – 0.2 – 0.2 V Vhys Receiver input hysteresis (VIT+– VIT–) VCC = 5 V, TA = 25°C 24 45 24 45 mV VIH = 12 V, VCC = 5 V, Other input at 0 V 0.4 1 0.4 1 mA II Bus input current VIH = 12 V, VCC = 0, Other input at 0 V 0.5 1 0.5 1 mA II Bus input current VIH = – 7 V, VCC = 5 V, Other input at 0 V – 0.4 – 0.8 – 0.4 – 0.8 mA VIH = – 7 V, VCC = 0, Other input at 0 V – 0.3 – 0.8 – 0.3 – 0.8 mA IIH High-level input cur- A, BSR, DE/RE, and CRE, VIH = 2 V – 100 – 100 µA IIH g rent CDE0, CDE1, and CDE2, VIH = 2V 100 100 µA IIL Low level input current A, BSR, DE/RE, and CRE, VIL = 0.8 V – 100 – 100 µA IIL Low-level input current CDE1, CDE1, and CDE2, VIL = 0.8 V 100 100 µA IOS Short circuit output current nB+ or nB– ±260 ±260 mA IOZ High-impedance-state A See IIH and IIL See IIH and IIL IOZ g output current nB+ or nB– See II See II Disabled 10 10 mA ICC Supply current All drivers enabled, no load 60 60 mA All receivers enabled, no load 45 45 mA CO Output capacitance nB+ or nB– to GND 18 18 25 pF C d Power dissipation capacitance Receiver 40 40 pF Cpd capacitance (see Note 4) Driver 100 100 pF † All typical values are at VCC = 5 V, TA = 25°C. NOTE 4: Cpd determines the no-load dynamic supply current consumption, IS = CPD × VCC × f + ICC |
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