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XC7SET125 Datasheet(PDF) 5 Page - NXP Semiconductors |
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XC7SET125 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 14 page XC7SET125_1 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 01 — 4 September 2009 5 of 14 NXP Semiconductors XC7SET125 Bus buffer/line driver; 3-state 11. Dynamic characteristics [1] tpd is the same as tPLH and tPHL. ten is the same as tPZL and tPZH. tdis is the same as tPLZ and tPHZ. [2] Typical values are measured at VCC = 5.0 V. [3] CPD is used to determine the dynamic power dissipation PD (µW). PD =CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in Volts. 12. Waveforms Table 8. Dynamic characteristics GND = 0 V; For test circuit see Figure 9. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max tpd propagation delay A to Y; see Figure 7 [1] VCC = 4.5 V to 5.5 V [2] CL = 15 pF - 3.4 5.5 1.0 6.5 1.0 7.0 ns CL = 50 pF - 4.8 7.5 1.0 8.5 1.0 9.5 ns ten enable time OE to Y; see Figure 8 [1] VCC = 4.5 V to 5.5 V [2] CL = 15 pF - 3.9 5.1 1.0 6.0 1.0 6.5 ns CL = 50 pF - 5.1 7.5 1.0 8.5 1.0 9.5 ns tdis disable time OE to Y; see Figure 8 [1] VCC = 4.5 V to 5.5 V [2] CL = 15 pF - 4.5 6.8 1.0 8.0 1.0 8.5 ns CL = 50 pF - 6.1 8.8 1.0 10.0 1.0 11.0 ns CPD power dissipation capacitance per buffer; CL =50pF;f=1 MHz; VI = GND to VCC [3] -11- - - - - pF Measurement points are given in Table 9. VOL and VOH are typical output voltage levels that occur with the output load. Fig 7. Input (A) to output (Y) propagation delays mnb153 tPHL tPLH VM VM A input Y output GND VI VOH VOL |
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