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SN64BCT757N Datasheet(PDF) 3 Page - Texas Instruments |
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SN64BCT757N Datasheet(HTML) 3 Page - Texas Instruments |
3 / 5 page SN64BCT757 OCTAL BUFFER/DRIVER WITH OPEN-COLLECTOR OUTPUTS SCBS479 – MARCH 1993 – REVISED MAY 1994 3–3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 2) MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V VOH High-level output voltage 5.5 V IIK Input clamp current –18 mA IOL Low-level output current 64 mA ∆t/∆VCC Power-up ramp rate 2 µs/V TA Operating free-air temperature –40 85 °C NOTE 2: Unused or floating inputs must be held high or low. electrical characteristics over recommended operating free-air temperature rang e (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 V IOH VCC = 4.5 V, VOH = 5.5 V 0.1 mA VOL VCC = 4.5 V, IOL = 64 mA 0.42 0.55 V IOZ VCC = 0 to 2.3 V (power up), VO = 2.7 V, OE = 0.8 V or OE = 2 V 50 µA IOZ VCC = 1.8 V to 0 (power down), VO = 2.7 V, OE = 0.8 V or OE = 2 V 50 µA II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.5 V –1 mA Outputs high 34 ICC VCC = 5.5 V, Outputs open Outputs low 77 mA OE and OE inactive 10 Ci VCC = 5 V, VI = 2.5 V or 0.5 V 6 pF Co VCC = 5 V, VO = 2.5 V or 0.5 V 4 pF † All typical values are at VCC = 5 V, TA = 25°C. switching characteristics over recommended range of supply voltage, CL = 50 pF (unless otherwise noted) (see Note 3) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C TA = – 40°C to 85 °C TA = 0°C to 70 °C UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX tPLH A Y 6.9 8.3 9.6 6.5 11.2 6.6 10.1 ns tPHL A Y 2.4 4.2 6 1.9 7 2 6.6 ns tPLH 2OE Y 11 14.8 17.9 10.4 21.3 10.8 19.7 ns tPHL 2OE Y 2.9 4.6 6.2 2.6 7.5 2.6 6.9 ns tPLH 1OE Y 11.4 13.9 16.1 8.9 19.9 10 18 ns tPHL 1OE Y 4.4 6.1 7.8 4 9.2 4 8.5 ns NOTE 3: Load circuits and voltage waveforms are shown in Section 1. |
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