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74VHC_VHCT541 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74VHC_VHCT541 Datasheet(HTML) 8 Page - NXP Semiconductors |
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8 / 16 page  74VHC_VHCT541_1 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 01 — 12 August 2009 8 of 16 NXP Semiconductors 74VHC541; 74VHCT541 Octal buffer/line driver; 3-state [1] Typical values are measured at nominal supply voltage (VCC = 3.3 V and VCC = 5.0 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 (µW). PD =CPD × VCC2 × fi + ∑(CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in Volts. For type 74VHCT541 tpd propagation delay An to Yn; see Figure 5 [2] VCC = 4.5 V to 5.5 V CL = 15 pF - 3.5 5.5 1.0 6.5 1.0 7.0 ns CL = 50 pF - 5.0 8.5 1.0 9.5 1.0 11.0 ns ten enable time OEn to Yn; see Figure 6 VCC = 4.5 V to 5.5 V CL = 15 pF - 4.0 7.0 1.0 8.0 1.0 9.0 ns CL = 50 pF - 5.5 10.0 1.0 12.0 1.0 12.5 ns tdis disable time OEn to Yn; see Figure 6 [2] VCC = 4.5 V to 5.5 V CL = 15 pF - 5.0 7.0 1.0 8.0 1.0 9.0 ns CL = 50 pF - 7.0 10.0 1.0 12.0 1.0 12.5 ns CPD power dissipation capacitance per buffer; CL =50pF;f=1 MHz; VI = GND to VCC [3] -12 - - - - - pF Table 7. Dynamic characteristics …continued GND = 0 V. For test circuit see Figure 7. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Min Max |
Número de pieza similar - 74VHC_VHCT541_15 |
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Descripción similar - 74VHC_VHCT541_15 |
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