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SN74AHC14DGVR bảng dữ liệu(PDF) 2 Page - Texas Instruments |
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SN74AHC14DGVR bảng dữ liệu(HTML) 2 Page - Texas Instruments |
2 / 22 page SN54AHC14, SN74AHC14 HEX SCHMITT-TRIGGER INVERTERS SCLS238I − OCTOBER 1995 − REVISED JULY 2003 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 FUNCTION TABLE (each inverter) INPUT A OUTPUT Y H L L H logic diagram (positive logic) Y A absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range, VO (see Note 1) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) −20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±25 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): D package 86 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): DB package 96 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): DGV package 127 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): N package 80 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): NS package 76 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 2): PW package 113 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (see Note 3): RGY package 47 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. 3. The package thermal impedance is calculated in accordance with JESD 51-5. recommended operating conditions (see Note 4) SN54AHC14 SN74AHC14 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 5.5 2 5.5 V VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V VCC = 2 V −50 −50 mA IOH High-level output current VCC = 3.3 V ± 0.3 V −4 −4 mA IOH High level output current VCC = 5 V ± 0.5 V −8 −8 mA VCC = 2 V 50 50 mA IOL Low-level output current VCC = 3.3 V ± 0.3 V 4 4 mA IOL Low level output current VCC = 5 V ± 0.5 V 8 8 mA TA Operating free-air temperature −55 125 −40 85 °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. |
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