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74AXP1G125 Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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74AXP1G125 Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 18 page 74AXP1G125 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved. Product data sheet Rev. 1 — 16 January 2014 7 of 18 NXP Semiconductors 74AXP1G125 Low-power buffer/line driver; 3-state [1] All typical values are measured at nominal VCC. [2] tpd is the same as tPLH and tPHL. [3] ten is the same as tPZH and tPZL. [4] tdis is the same as tPHZ and tPLZ. [5] For additional propagation delays and enable times values at different load capacitances see Figure 8 to Figure 12. [6] tt is the same as tTHL and tTLH. [7] CPD is used to determine the dynamic power dissipation (PD in W). PD =CPD VCC2 fi N+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. 12. Waveforms CPD power dissipation capacitance fi = 1 MHz; VI =0 VtoVCC [7] VCC = 0.75 V to 0.85 V - 2.4 - - - pF VCC = 1.1 V to 1.3 V - 2.5 - - - pF VCC = 1.4 V to 1.6 V - 2.6 - - - pF VCC = 1.65 V to 1.95 V - 2.6 - - - pF VCC = 2.3 V to 2.7 V - 3.0 - - - pF Table 8. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); for test circuit, see Figure 13. Symbol Parameter Conditions Tamb = 25 C Tamb = 40 C to +85 C Unit Min Typ[1] Max Min Max Measurement points are given in Table 9. VOL and VOH are typical output voltage levels that occur with the output load. Fig 6. The data input (A) to output (Y) propagation delays |
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