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74AHC14 Fiches technique(PDF) 7 Page - NXP Semiconductors |
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74AHC14 Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 16 page 74AHC_AHCT14_5 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 05 — 4 May 2009 7 of 16 NXP Semiconductors 74AHC14; 74AHCT14 Hex inverting Schmitt trigger 11. Waveforms Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 6. Input to output propagation delays mna344 tPHL tPLH VM VM VM VM nA input nY output GND VI VOH VOL Table 8. Measurement points Type Input Output VM VM 74AHC14 0.5 × VCC 0.5 × VCC 74AHCT14 1.5 V 0.5 × VCC Test data is given in Table 9. Definitions test circuit: RT = Termination resistance should be equal to output impedance Zo of the pulse generator CL = Load capacitance including jig and probe capacitance Fig 7. Load circuitry for measuring switching times 001aah768 tW tW tr tr tf VM VI negative pulse GND VI positive pulse GND 10 % 90 % 90 % 10 % VM VM VM tf VCC DUT RT VI VO CL G |
Numéro de pièce similaire - 74AHC14 |
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Description similaire - 74AHC14 |
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