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74ALVC541 Datasheet(PDF) 7 Page - NXP Semiconductors |
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74ALVC541 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 15 page 74ALVC541_2 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 02 — 5 November 2007 7 of 15 NXP Semiconductors 74ALVC541 Octal buffer/line driver; 3-state [1] All typical values are measured at Tamb = 25 °C and VCC = 1.8 V, 2.5 V, 2.7 V and 3.3 V. [2] tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. [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 the outputs. 11. Waveforms CPD power dissipation capacitance per buffer; VI = GND to VCC; VCC = 3.3 V [3] outputs enabled - 25 - pF outputs disabled - 0 - pF Table 7. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7. Symbol Parameter Conditions −40 °C to +85 °C Unit Min Typ[1] Max Measurement points are given in Table 8. VOL and VOH are typical voltage output levels that occur with the output load. Fig 5. Propagation delay input (An) to output (Yn) mna901 An input Yn output tPHL tPLH GND VI VM VM VOH VOL |
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