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74CBTLV1G125GM Datasheet(PDF) 9 Page - NXP Semiconductors |
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74CBTLV1G125GM Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 18 page 74CBTLV1G125 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 01 — 2 February 2007 9 of 18 NXP Semiconductors 74CBTLV1G125 Single bus switch 11. Dynamic characteristics [1] All typical values are measured at Tamb =25 °C and at nominal VCC. [2] The propagation delay is the calculated RC time constant of the maximum on-state resistance of the switch and the load capacitance, when driven by an ideal voltage source (zero output impedance). [3] tpd is the same as tPLH and tPHL. [4] ten is the same as tPZH and tPZL. [5] tdis is the same as tPHZ and tPLZ. 12. Waveforms Table 9. Dynamic characteristics GND = 0 V; see Figure 13 Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max tpd propagation delay A to B or B to A; see Figure 11; RL = ∞ [2][3] VCC = 2.3 V to 2.7 V - - 0.21 - 0.32 ns VCC = 3.0 V to 3.6 V - 0.16 0.25 - 0.39 ns ten enable time OE to A or B; see Figure 12; RL = 500 Ω [4] VCC = 2.3 V to 2.7 V 1.0 2.50 4.00 1.0 5.00 ns VCC = 3.0 V to 3.6 V 1.0 2.05 4.00 1.0 5.00 ns tdis disable time OE to A or B; see Figure 12; RL = 500 Ω [5] VCC = 2.3 V to 2.7 V 1.0 2.80 5.00 1.0 6.30 ns VCC = 3.0 V to 3.6 V 1.0 3.40 4.10 1.0 5.40 ns Measurement points are given in Table 10. Logic levels: VOL and VOH are typical output voltage drop that occur with the output load. Fig 11. The data input (A or B) to output (B or A) propagation delays 001aad719 A or B input B or A output VM VI GND VOH VOL VM tPLH tPHL VM VM Table 10. Measurement points Supply voltage Output Inputs VCC VM VM VI tr = tf 2.3 V to 3.6 V 0.5 × V CC 0.5 × V CC VCC ≤ 2.0 ns |
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