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74LVC2G17GW 数据表(PDF) 6 Page - NXP Semiconductors |
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74LVC2G17GW 数据表(HTML) 6 Page - NXP Semiconductors |
6 / 16 page 74LVC2G17_4 © NXP B.V. 2006. All rights reserved. Product data sheet Rev. 04 — 9 October 2006 6 of 16 NXP Semiconductors 74LVC2G17 Dual non-inverting Schmitt trigger with 5 V tolerant input 12. Dynamic characteristics [1] Typical values are measured at Tamb =25 °C and VCC = 1.8 V, 2.5 V, 2.7 V, 3.3 V and 5.0 V respectively. [2] tpd is the same as tPLH and tPHL. [3] CPD is used to determine the dynamic power dissipation (PD in µW). 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; ∑(C L × VCC 2 × f o) = sum of outputs. 13. Waveforms Table 8. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max tpd propagation delay nA to nY; see Figure 7 [2] VCC = 1.65 V to 1.95 V 1.5 5.6 10.5 1.5 13.1 ns VCC = 2.3 V to 2.7 V 1.0 3.7 6.5 1.0 8.5 ns VCC = 2.7 V 1.0 3.8 6.5 1.0 8.5 ns VCC = 3.0 V to 3.6 V 1.0 3.6 5.7 1.0 7.1 ns VCC = 4.5 V to 5.5 V 1.0 2.7 4.3 1.0 5.4 ns CPD power dissipation capacitance per buffer; VCC = 3.3 V; VI = GND to VCC [3] - 16.3 - - - pF Measurement points are given in Table 9. VOL and VOH are typical output voltage drop that occur with the output load. Fig 7. The input (nA) to output (nY) propagation delays and the output transition times mnb072 nA input nY output tPLH tPHL GND VI VM VM VM VM VOH VOL |
类似零件编号 - 74LVC2G17GW |
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类似说明 - 74LVC2G17GW |
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