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74HCT2G08DC датащи(PDF) 7 Page - NXP Semiconductors |
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74HCT2G08DC датащи(HTML) 7 Page - NXP Semiconductors |
7 / 14 page 74HC_HCT2G08_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 7 May 2009 7 of 14 NXP Semiconductors 74HC2G08; 74HCT2G08 Dual 2-input AND gate [1] All typical values are measured at Tamb = 25 °C. [2] tpd is the same as tPLH and tPHL. [3] tt is the same as tTLH and tTHL. [4] 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 outputs. 12. Waveforms 74HCT2G08 tpd propagation delay nA and nB to nY; see Figure 6 [2] VCC = 4.5 V - 14 30 - 36 ns VCC = 5.0 V; CL = 15 pF - 14 - - - ns tt transition time VCC = 4.5 V; see Figure 6 [3] - 7 19 - 22 ns CPD power dissipation capacitance VI = GND to VCC − 1.5 V [4] -10- - - pF Table 8. 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 −40 °C to +125 °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. Propagation delay data input (nA, nB) to data output (nY) and transition time output (nY) 001aak020 nA, nB input nY output tTHL tTLH VM VI GND VOH VOL VM VX VY tPHL tPLH Table 9. Measurement points Type Input Output VM VM VX VY 74HC2G08 0.5VCC 0.5VCC 0.1VCC 0.9VCC 74HCT2G08 1.3 V 1.3 V 0.1VCC 0.9VCC |
Аналогичный номер детали - 74HCT2G08DC |
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Аналогичное описание - 74HCT2G08DC |
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