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74LVC3G14GT Fiches technique(PDF) 9 Page - NXP Semiconductors |
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74LVC3G14GT Fiches technique(HTML) 9 Page - NXP Semiconductors |
9 / 17 page 9397 750 14543 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 31 January 2005 9 of 17 Philips Semiconductors 74LVC3G14 Triple inverting Schmitt trigger with 5 V tolerant input 15. Transfer characteristics Table 11: Test data Supply voltage Input Load VEXT VCC VI tr =tf CL RL tPLH, tPHL 1.65 V to 1.95 V VCC ≤ 2.0 ns 30 pF 1 k Ω open 2.3 V to 2.7 V VCC ≤ 2.0 ns 30 pF 500 Ω open 2.7 V 2.7 V ≤ 2.5 ns 50 pF 500 Ω open 3.0 V to 3.6 V 2.7 V ≤ 2.5 ns 50 pF 500 Ω open 4.5 V to 5.5 V VCC ≤ 2.5 ns 50 pF 500 Ω open Table 12: Transfer characteristics Voltages are referenced to GND (ground = 0 V); see Figure 8 and 9. Symbol Parameter Conditions Min Typ Max Unit Tamb = −40 °C to +85 °C [1] VT+ positive-going threshold VCC = 1.8 V 0.70 1.10 1.50 V VCC = 2.3 V 1.00 1.40 1.80 V VCC = 3.0 V; see Figure 10 1.30 1.76 2.20 V VCC = 4.5 V 1.90 2.47 3.10 V VCC = 5.5 V 2.20 2.91 3.60 V VT− negative-going threshold VCC = 1.8 V 0.25 0.61 0.90 V VCC = 2.3 V 0.40 0.80 1.15 V VCC = 3.0 V; see Figure 10 0.60 1.04 1.50 V VCC = 4.5 V 1.00 1.55 2.00 V VCC = 5.5 V 1.20 1.86 2.30 V VH hysteresis (VT+ − VT−)VCC = 1.8 V 0.15 0.49 1.00 V VCC = 2.3 V 0.25 0.60 1.10 V VCC = 3.0 V 0.40 0.73 1.20 V VCC = 4.5 V 0.60 0.92 1.50 V VCC = 5.5 V 0.70 1.02 1.70 V Tamb = −40 °C to +125 °C VT+ positive-going threshold VCC = 1.8 V 0.70 - 1.70 V VCC = 2.3 V 1.00 - 2.00 V VCC = 3.0 V 1.30 - 2.40 V VCC = 4.5 V 1.90 - 3.30 V VCC = 5.5 V 2.20 - 3.80 V VT− negative-going threshold VCC = 1.8 V 0.25 - 1.10 V VCC = 2.3 V 0.40 - 1.35 V VCC = 3.0 V 0.60 - 1.70 V VCC = 4.5 V 1.00 - 2.20 V VCC = 5.5 V 1.20 - 2.50 V |
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