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SN74ACT14DBR Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74ACT14DBR Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 20 page SN54ACT14, SN74ACT14 HEX SCHMITT TRIGGER INVERTER SCAS557H − DECEMBER 1995 − REVISED NOVEMBER 2004 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 SN54ACT14 SN74ACT14 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VT+ 4.5 V 1.2 1.5 1.9 1.2 1.9 1.2 1.9 V VT+ Positive-going threshold 5.5 V 1.4 1.7 2.1 1.4 2.1 1.4 2.1 V VT− 4.5 V 0.5 0.9 1.2 0.5 1.2 0.5 1.2 V VT− Negative-going threshold 5.5 V 0.6 1 1.4 0.6 1.4 0.6 1.4 V ∆VT 4.5 V 0.4 0.6 1.4 0.4 1.4 0.4 1.4 V ∆VT Hysteresis (VT+ − VT−) 5.5 V 0.4 0.6 1.5 0.4 1.5 0.4 1.5 V IOH = −50 A 4.5 V 4.4 4.49 4.4 4.4 IOH = −50 µA 5.5 V 5.4 5.49 5.4 5.4 VOH IOH = −24 mA 4.5 V 3.86 3.7 3.76 V VOH IOH = −24 mA 5.5 V 4.86 4.7 4.76 V IOH = −50 mA† 5.5 V 3.85 IOH = −75 mA† 5.5 V 3.85 IOL = 50 A 4.5 V 0.001 0.1 0.1 0.1 IOL = 50 µA 5.5 V 0.001 0.1 0.1 0.1 VOL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.5 0.44 V IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 2 40 20 µA ∆ICC‡ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.6 1.6 1.5 mA Ci VI = VCC or GND 5 V 4.5 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ‡ This is the increase in supply current for each input that is 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 TA = 25°C SN54ACT14 SN74ACT14 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN MAX MIN MAX MIN MAX UNIT tPLH A Y 1.5 11.5 1 14 1 12.5 ns tPHL A Y 1.5 10 1 13 1 11 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance CL = 50 pF, f = 1 MHz 20 pF |
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