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SN74AHCT14Q-Q1 데이터시트(PDF) 3 Page - Texas Instruments |
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SN74AHCT14Q-Q1 데이터시트(HTML) 3 Page - Texas Instruments |
3 / 9 page SN74AHCT14QQ1 HEX SCHMITT TRIGGER INVERTER SGDS023A − FEBRUARY 2002 − REVISED APRIL 2008 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT VT+ Positive-going input 4.5 V 0.9 1.9 0.9 1.9 V T+ Positive-going input threshold voltage 5.5 V 1 2.1 1 2.1 V VT− Negative-going input 4.5 V 0.5 1.5 0.5 1.5 V T− Negative-going input threshold voltage 5.5 V 0.6 1.7 0.6 1.7 V ∆VT Hysteresis 4.5 V 0.4 1.4 0.4 1.4 V T Hysteresis (VT+ − VT−) 5.5 V 0.4 1.5 0.4 1.5 V VOH IOH = −50 mA 4.5 V 4.4 4.5 4.4 V VOH IOH = −8 mA 4.5 V 3.94 3.8 V VOL IOL = 50 mA 4.5 V 0.1 0.1 V VOL IOL = 8 mA 4.5 V 0.36 0.44 V II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 2 20 mA ∆ICC† One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 mA Ci VI = VCC or GND 5 V 2 10 pF † This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC. switching characteristics over recommended operating free-air temperature range VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO LOAD TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE MIN TYP MAX MIN MAX UNIT tPLH A Y CL = 15 pF 4 7 1 8 ns tPHL A Y CL = 15 pF 4 7 1 8 ns tPLH A Y CL = 50 pF 5.5 8 1 9 ns tPHL A Y CL = 50 pF 5.5 8 1 9 ns noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4) PARAMETER MIN TYP MAX UNIT VOL(P) Quiet output, maximum dynamic VOL 0.9 V VOL(V) Quiet output, minimum dynamic VOL −0.7 V VOH(V) Quiet output, minimum dynamic VOH 4.3 V VIH(D) High-level dynamic input voltage 2.1 V VIL(D) Low-level dynamic input voltage 0.5 V NOTE 4: Characteristics are for surface-mount packages only. operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load, f = 1 MHz 12 pF |
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