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74AHC14D Arkusz danych(PDF) 8 Page - NXP Semiconductors |
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74AHC14D Arkusz danych(HTML) 8 Page - NXP Semiconductors |
8 / 16 page 74AHC_AHCT14_5 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 05 — 4 May 2009 8 of 16 NXP Semiconductors 74AHC14; 74AHCT14 Hex inverting Schmitt trigger 12. Transfer characteristics 13. Transfer characteristics waveforms Table 9. Test data Type Input Load Test VI tr, tf CL 74AHC14 VCC ≤ 3.0 ns 50 pF, 15 pF tPLH, tPHL 74AHCT14 3.0 V ≤ 3.0 ns 50 pF, 15 pF tPLH, tPHL Table 10. Transfer characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V); see Figure 8 and Figure 9. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max 74AHC14 VT+ positive-going threshold voltage VCC = 3.0 V - - 2.2 - 2.2 - 2.2 V VCC = 4.5 V - - 3.15 - 3.15 - 3.15 V VCC = 5.5 V - - 3.85 - 3.85 - 3.85 V VT− negative-going threshold voltage VCC = 3.0 V 0.9 - - 0.9 - 0.9 - V VCC = 4.5 V 1.35 - - 1.35 - 1.35 - V VCC = 5.5 V 1.65 - - 1.65 - 1.65 - V VH hysteresis voltage VCC = 3.0 V 0.3 - 1.2 0.3 1.2 0.25 1.2 V VCC = 4.5 V 0.4 - 1.4 0.4 1.4 0.35 1.4 V VCC = 5.5 V 0.5 - 1.6 0.5 1.6 0.45 1.6 V 74AHCT14 VT+ positive-going threshold voltage VCC = 4.5 V - - 1.9 - 1.9 - 1.9 V VCC = 5.5 V - - 2.1 - 2.1 - 2.1 V VT− negative-going threshold voltage VCC = 4.5 V 0.5 - - 0.5 - 0.5 - V VCC = 5.5 V 0.6 - - 0.6 - 0.6 - V VH hysteresis voltage VCC = 4.5 V 0.4 - 1.4 0.4 1.4 0.35 1.4 V VCC = 5.5 V 0.4 - 1.5 0.4 1.5 0.35 1.5 V Fig 8. Transfer characteristics Fig 9. Transfer characteristics definitions mna207 VO VI VH VT+ VT− mna208 VO VI VH VT+ VT− |
Podobny numer części - 74AHC14D |
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Podobny opis - 74AHC14D |
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