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74AHC_AHCT3G14 Datenblatt(PDF) 10 Page - NXP Semiconductors |
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74AHC_AHCT3G14 Datenblatt(HTML) 10 Page - NXP Semiconductors |
10 / 19 page 74AHC_AHCT3G14 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 8 — 13 May 2013 10 of 19 NXP Semiconductors 74AHC3G14; 74AHCT3G14 Triple 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). I CC(AV) differs with positive or negative input transitions, as shown in Figure 16 and Figure 17. For 74AHC3G14 and 74AHCT3G14 used in relaxation oscillator circuit, see Figure 18. Note to the application information: 1. All values given are typical unless otherwise specified. Linear change of VI between 0.1VCC to 0.9VCC Linear change of VI between 0.1VCC to 0.9VCC Fig 16. Average additional ICC for 74AHC3G14 Schmitt trigger devices Fig 17. Average additional ICC for 74AHCT3G14 Schmitt trigger devices mna036 0 2.0 4.0 6.0 VCC (V) 200 150 50 0 100 ΔICC(AV) ( μA) positive-going edge negative-going edge mna058 04 6 2 VCC (V) 200 100 50 150 0 ΔICC(AV) ( μA) positive-going edge negative-going edge |
Ähnliche Teilenummer - 74AHC_AHCT3G14_15 |
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Ähnliche Beschreibung - 74AHC_AHCT3G14_15 |
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