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74LVC14AD Datenblatt(PDF) 5 Page - NXP Semiconductors |
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74LVC14AD Datenblatt(HTML) 5 Page - NXP Semiconductors |
5 / 10 page Philips Semiconductors Product specification 74LVC14A Hex inverting Schmitt-trigger with 5V tolerant input 1998 Apr 28 5 TRANSFER CHARACTERISTICS Voltages are referenced to GND (ground = 0 V). Tamb (°C) TEST CONDITIONS SYMBOL PARAMETER –40 TO +85 UNIT VCC WAVEFORMS MIN TYP1 MAX CC (V) WAVEFORMS P iti i – – 1.2 1.2 VT+ Positive-going threshold 1.1 – 2.0 V 2.7 Figures 1 and 2 threshold 1.1 – 2.0 2.7 to 3.6 Nti i 0 – – 1.2 VT– Negative-going threshold 0.8 – 1.5 V 2.7 Figures 1 and 2 threshold 0.8 – 1.5 2.7 to 3.6 Ht i – – – 1.2 VH Hysteresis (VT+ – VT ) 0.3 0.4 – V 2.7 Figures 1, 2 and 3 (VT+ VT-) 0.3 0.45* – 2.7 to 3.6 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 The VIH and VIL from the DC family characteristics are superseded by the VT+ and VT-. TRANSFER CHARACTERISTIC WAVEFORMS SV00427 VH VT+ VT– VO VI Figure 1. Transfer characteristic. SV00428 V H VT– VT+ VO VI Figure 2. Definition of VT), VT- and VH; where VT+ and VT- are between limits of 20% and 70% 0 0 1 2 3 4 5 I CC (mA) 0.6 1.8 1.2 2.4 V in (V) 3.0 SV00444 Figure 3. Typical 74LVC14 transfer characteristics; VCC = 3.3 V. |
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