Datasheet 74HC14, 74HCT14 (Nexperia) - 7

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Nexperia 74HC14; 74HCT14 Hex inverting Schmitt trigger 12. Transfer characteristics Table 10. Transfer characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V); see Fig. 6 and Fig. 7.
Symbol Parameter Conditions Tamb = 25 °C Tamb = -40 °C Tamb = -40 °C Unit to +85 °C to +125 °C Min Typ Max Min Max Min Max 74HC14
VT+ positive-going VCC = 2.0 V 0.7 1.18 1.5 0.7 1.5 0.7 1.5 V threshold voltage VCC = 4.5 V 1.7 2.38 3.15 1.7 3.15 1.7 3.15 V VCC = 6.0 V 2.1 3.14 4.2 2.1 4.2 2.1 4.2 V VT- negative-going VCC = 2.0 V 0.3 0.52 0.9 0.3 0.9 0.3 0.9 V threshold voltage VCC = 4.5 V 0.9 1.4 2.0 0.9 2.0 0.9 2.0 V VCC = 6.0 V 1.2 1.89 2.6 1.2 2.6 1.2 2.6 V VH hysteresis voltage VCC = 2.0 V 0.2 0.66 1.0 0.2 1.0 0.2 1.0 V VCC = 4.5 V 0.4 0.98 1.4 0.4 1.4 0.4 1.4 V VCC = 6.0 V 0.6 1.25 1.6 0.6 1.6 0.6 1.6 V
74HCT14
VT+ positive-going VCC = 4.5 V 1.2 1.41 1.9 1.2 1.9 1.2 1.9 V threshold voltage VCC = 5.5 V 1.4 1.59 2.1 1.4 2.1 1.4 2.1 V VT- negative-going VCC = 4.5 V 0.5 0.85 1.2 0.5 1.2 0.5 1.2 V threshold voltage VCC = 5.5 V 0.6 0.99 1.4 0.6 1.4 0.6 1.4 V VH hysteresis voltage VCC = 4.5 V 0.4 0.56 - 0.4 - 0.4 - V VCC = 5.5 V 0.4 0.6 - 0.4 - 0.4 - V
12.1. Transfer characteristics waveforms
VO VT+ VI VH VT- VI VH VO VT- VT+ mna207 mna208
Fig. 6. Transfer characteristics Fig. 7. Transfer characteristics definitions
74HC_HCT14 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2024. Al rights reserved
Product data sheet Rev. 10 — 29 February 2024 7 / 16
Document Outline 1. General description 2. Features and benefits 3. Applications 4. Ordering information 5. Functional diagram 6. Pinning information 6.1. Pinning 6.2. Pin description 7. Functional description 8. Limiting values 9. Recommended operating conditions 10. Static characteristics 11. Dynamic characteristics 11.1. Waveforms and test circuit 12. Transfer characteristics 12.1. Transfer characteristics waveforms 13. Application information 14. Package outline 15. Abbreviations 16. Revision history 17. Legal information Contents