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74LV14DB Scheda tecnica(PDF) 5 Page - NXP Semiconductors |
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74LV14DB Scheda tecnica(HTML) 5 Page - NXP Semiconductors |
5 / 12 page Philips Semiconductors Product specification 74LV14 Hex inverting Schmitt-trigger 1998 Apr 20 5 TRANSFER CHARACTERISTICS Voltages are referenced to GND (ground = 0 V) Tamb (°C) TEST CONDITIONS SYMBOL PARAMETER –40 TO +85 –40 TO +125 UNIT VCC WAVEFORMS MIN. TYP. MAX. MIN. MIN. VCC (V) WAVEFORMS – 0.70 – – – 1.2 0.8 1.10 1.4 0.8 1.4 2.0 1.0 1.45 2.0 1.0 2.0 2.7 VT+ Positive-going threshold 1.2 1.60 2.2 1.2 2.2 V 3.0 Figure 1 and 2 threshold 1.5 1.95 2.4 1.5 2.4 3.6 1.7 2.50 3.15 1.7 3.15 4.5 2.1 3.00 3.85 2.1 3.85 5.5 – 0.34 – – – 1.2 0.3 0.65 0.9 0.3 0.9 2.0 0.4 0.90 1.4 0.4 1.4 2.7 VT– Negative-going threshold 0.6 1.05 1.5 0.6 1.5 V 3.0 Figure 1 and 2 threshold 0.8 1.30 1.8 0.8 1.8 3.6 0.9 1.60 2.0 0.9 2.0 4.5 1.1 2.00 2.6 1.1 2.6 5.5 – 0.30 – – – 1.2 0.2 0.55 0.8 0.2 0.8 2.0 0.3 0.60 1.1 0.3 1.1 2.7 VH Hysteresis (VT+ – VT ) 0.4 0.65 1.2 0.4 1.2 V 3.0 Figure 1 and 2 (VT+ – VT-) 0.4 0.70 1.2 0.4 1.2 3.6 0.4 0.80 1.4 0.4 1.4 4.5 0.6 1.00 1.5 0.6 1.5 5.5 NOTES: 1. All typical values are measured at Tamb = 25°C 2. The VIH and VIL from the DC family characteristics are superseded by the VT+ and VT-. AC CHARACTERISTICS GND = 0V; tr ≤ tf = 2.5ns; CL = 50pF; RL = 1KΩ CONDITION LIMITS SYMBOL PARAMETER WAVEFORM CONDITION –40 to +85 °C –40 to +125 °C UNIT VCC(V) MIN TYP1 MAX MIN MAX 1.2 80 Propagation delay 2.0 27 37 48 tPHL/PLH Propagation delay nA to nY Figure 6 2.7 20 28 35 ns nA to nY 3.0 to 3.6 152 22 28 4.5 to 5.5 18 23 NOTES: 1. Unless otherwise stated, all typical values are measured at Tamb = 25°C 2. Typical values are measured at VCC = 3.3 V. |
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