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74LVC3G14DP Datasheet(PDF) 7 Page - NXP Semiconductors |
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74LVC3G14DP Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 17 page 9397 750 14543 © Koninklijke Philips Electronics N.V. 2005. All rights reserved. Product data sheet Rev. 03 — 31 January 2005 7 of 17 Philips Semiconductors 74LVC3G14 Triple inverting Schmitt trigger with 5 V tolerant input 13. Dynamic characteristics [1] All typical values are measured at nominal VCC and Tamb =25 °C. [2] CPD is used to determine the dynamic power dissipation (PD in µW). PD =CPD × VCC2 × fi × N + Σ(CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in V; N = number of inputs switching; Σ(C L × VCC 2 × f o) = sum of outputs. [3] The condition is VI = GND to VCC. Table 9: Dynamic characteristics GND = 0 V; see Figure 7 for test circuit. Symbol Parameter Conditions Min Typ Max Unit Tamb = −40 °C to +85 °C [1] tPHL, tPLH propagation delay input nA to output nY see Figure 6 VCC = 1.65 V to 1.95 V 1.0 4.2 11.0 ns VCC = 2.3 V to 2.7 V 0.5 3.0 6.5 ns VCC = 2.7 V 0.5 3.8 7.0 ns VCC = 3.0 V to 3.6 V 0.5 3.2 6.0 ns VCC = 4.5 V to 5.5 V 0.5 2.4 4.3 ns CPD power dissipation capacitance per buffer VCC = 3.3 V [2] [3] - 18.1 - pF Tamb = −40 °C to +125 °C tPHL, tPLH propagation delay input nA to output nY see Figure 6 VCC = 1.65 V to 1.95 V 1.0 - 12.0 ns VCC = 2.3 V to 2.7 V 0.5 - 7.2 ns VCC = 2.7 V 0.5 - 7.7 ns VCC = 3.0 V to 3.6 V 0.5 - 6.7 ns VCC = 4.5 V to 5.5 V 0.5 - 4.7 ns |
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