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74HC2GU04GV Datasheet(PDF) 6 Page - NXP Semiconductors |
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74HC2GU04GV Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 15 page 74HC2GU04_1 © NXP B.V. 2006. All rights reserved. Product data sheet Rev. 01 — 6 October 2006 6 of 15 NXP Semiconductors 74HC2GU04 Dual unbuffered inverter 11. Dynamic characteristics [1] tpd is the same as tPLH and tPHL [2] tt is the same as tTLH and tTHL [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. 12. Waveforms Table 8. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 6. Symbol Parameter Conditions 25 °C −40 °C to +125 °C Unit Min Typ Max Min Max (85 °C) Max (125 °C) tpd propagation delay nA to nY; see Figure 5 [1] VCC = 2.0 V; CL = 50 pF - 13 60 - 75 90 ns VCC = 4.5 V; CL = 50 pF - 6 12 - 15 18 ns VCC = 6.0 V; CL = 50 pF - 5 10 - 13 15 ns tt transition time nY; see Figure 5 [2] VCC = 2.0 V; CL = 50 pF - 18 75 - 95 125 ns VCC = 4.5 V; CL = 50 pF - 6 15 - 19 25 ns VCC = 6.0 V; CL = 50 pF - 5 13 - 16 20 ns CPD power dissipation capacitance VI = GND to VCC [3] -5- - - - pF Measurement points are given in Table 9. VOL and VOH are typical voltage output drop that occur with the output load. Fig 5. The data input (nA) to output (nY) propagation delays and output transition times mna722 tPLH tPHL VM VM 90% 10% VM VM nY output nA input VI GND VOH VOL tTLH tTHL |
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