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SN74SSTL16837A Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74SSTL16837A Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 6 page SN74SSTL16837A 20-BIT SSTL_3 INTERFACE UNIVERSAL BUS DRIVER WITH 3-STATE OUTPUTS SCBS675G – SEPTEMBER 1996 – REVISED SEPTEMBER 1998 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 4) MIN NOM MAX UNIT VCC Supply voltage VDDQ 3.6 V VDDQ Output supply voltage 3 3.6 V VREF Reference voltage (VREF = 0.45 × VDDQ) 1.3 1.5 1.7 V VTT Termination voltage (VREF = VTT = 0.45 × VDDQ) VREF–50mV VREF VREF+50mV V VI Input voltage 0 VCC V VIH AC high-level input voltage All inputs VREF+400mV V VIL AC low-level input voltage All inputs VREF–400mV V VIH DC high-level input voltage All inputs VREF+200mV V VIL DC low-level input voltage All inputs VREF–200mV V IOH High-level output current –20 mA IOL Low-level output current 20 mA TA Operating free-air temperature 0 70 _C NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC MIN TYP† MAX UNIT VIK II = –18 mA 3 V –1.2 V IOH = –100 µA 3 V to 3.6 V VCC–0.2 VOH IOH = –16 mA 3V 2.2 V IOH = –20 mA 3 V 2.1 IOL = 100 µA 3 V to 3.6 V 0.2 VOL IOL = 16 mA 3V 0.5 V IOL = 20 mA 3 V 0.55 LE VI = 2.1 V or 0.9 V VREF =1 3Vor1 7V 36 V ±40 µA LE VI = 3.6 V or 0 VREF = 1.3 V or 1.7 V 3.6 V ±1.2 mA Data inp ts OE VI = 2.1 V or 0.9 V VREF =1 3Vor1 7V 36 V ±5 II Data inputs, OE VI = 3.6 V or 0 VREF = 1.3 V or 1.7 V 3.6 V ±5 µA CLK VI = 2.1 V or 0.9 V VREF =1 3Vor1 7V 36 V ±150 CLK VI = 3.6 V or 0 VREF = 1.3 V or 1.7 V 3.6 V ±4 mA VREF VREF = 1.3 V or 1.7 V 3.6 V ±150 µA IOZ VO = 0.9 V or 2.1 V 36 V ±10 µA IOZ VO = 0 or 3.6 V 3.6 V ±10 µA ICC VI = 2.1 V or 0.9 V IO =0 36 V 90 mA ICC VI = 3.6 V or 0 IO = 0 3.6 V 90 mA Ci Control inputs VI =2 1Vor0 9V 33 V 2.5 pF Ci A port VI = 2.1 V or 0.9 V 3.3 V 2 pF Co Y port VO = 2.1 V or 0.9 V 3.3 V 3 pF † All typical values are at VCC = 3.3 V, TA = 25°C. |
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