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74AHC_AHCT1G14 Datenblatt(PDF) 9 Page - NXP Semiconductors |
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74AHC_AHCT1G14 Datenblatt(HTML) 9 Page - NXP Semiconductors |
9 / 16 page 74AHC_AHCT1G14 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. Product data sheet Rev. 7 — 18 November 2014 9 of 16 NXP Semiconductors 74AHC1G14; 74AHCT1G14 Inverting Schmitt trigger 14. Application information The slow input rise and fall times cause additional power dissipation, which can be calculated using the following formula: Padd =fi (tr ICC(AV) +tf ICC(AV)) VCC where: Padd = additional power dissipation (W); fi = input frequency (MHz); tr = input rise time (ns); 10 % to 90 %; tf = input fall time (ns); 90 % to 10 %; I CC(AV) = average additional supply current (A). Average additional ICC differs with positive or negative input transitions, as shown in Figure 14 and Figure 15. For 74AHC1G14 and 74AHCT1G14 used in relaxation oscillator circuit, see Figure 16. Note to the application information: 1. All values given are typical unless otherwise specified. Fig 12. Typical 74AHCT1G14 transfer characteristics; VCC = 4.5 V Fig 13. Typical 74AHCT1G14 transfer characteristics; VCC =5.5 V |
Ähnliche Teilenummer - 74AHC_AHCT1G14_15 |
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Ähnliche Beschreibung - 74AHC_AHCT1G14_15 |
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