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74LVC2G08GD Folha de dados(PDF) 7 Page - NXP Semiconductors |
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74LVC2G08GD Folha de dados(HTML) 7 Page - NXP Semiconductors |
7 / 16 page 74LVC2G08_8 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 08 — 9 June 2008 7 of 16 NXP Semiconductors 74LVC2G08 Dual 2-input AND gate 11. Dynamic characteristics [1] Typical values are measured at nominal VCC and at Tamb =25 °C. [2] tpd is the same as tPLH and tPHL [3] 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. 12. Waveforms Table 8. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max tpd propagation delay nA, nB to nY; see Figure 8 [2] VCC = 1.65 V to 1.95 V 1.0 3.2 9.0 1.0 11.3 ns VCC = 2.3 V to 2.7 V 0.5 2.2 5.1 0.5 6.4 ns VCC = 2.7 V 1.0 2.5 5.3 1.0 6.7 ns VCC = 3.0 V to 3.6 V 0.5 2.1 4.7 0.5 5.9 ns VCC = 4.5 V to 5.5 V 0.5 1.7 3.8 0.5 4.8 ns CPD power dissipation capacitance per gate; VI = GND to VCC [3] - 14.4 - - - pF Measurement points are given in Table 9. VOL and VOH are typical output voltage levels that occur with the output load. Fig 8. Input (nA, nB) to output (nY) propagation delays mna224 nA, nB input nY output tPLH tPHL GND VI VM VM VOH VOL |
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Descrição semelhante - 74LVC2G08GD |
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