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74AHCT1G66GV Fiches technique(PDF) 8 Page - NXP Semiconductors |
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74AHCT1G66GV Fiches technique(HTML) 8 Page - NXP Semiconductors |
8 / 17 page 74AHC_AHCT1G66_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 18 December 2008 8 of 17 NXP Semiconductors 74AHC1G66; 74AHCT1G66 Single-pole single-throw analog switch [1] All typical values are measured at VCC = 2.0 V, VCC = 3.3 V, VCC = 5.0 V and Tamb =25 °C. [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 + Σ ((CL × CSW) × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; CSW = maximum switch capacitance in pF (see Table 7); VCC = supply voltage in Volt; Σ ((C L × CSW) × VCC 2 × f o) = sum of outputs. 11.1 Waveforms and test circuit CPD power dissipation capacitance VI = GND to VCC [3] 15 - - - pF Table 9. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); CL = 50 pF; unless otherwise specified; For test circuit see Figure 10. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Typ[1] max Max Max Measurement points are given in Table 10. Logic levels: VOL and VOH are typical output voltage levels that occur with the output load. Fig 8. Input (Y or Z) to output (Z or Y) propagation delays mna667 tPLH tPHL VM VM Y or Z input Z or Y output GND VI VOH VOL |
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