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74LVC1G3157GM Datenblatt(PDF) 10 Page - NXP Semiconductors |
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74LVC1G3157GM Datenblatt(HTML) 10 Page - NXP Semiconductors |
10 / 22 page 74LVC1G3157_2 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 02 — 18 September 2007 10 of 22 NXP Semiconductors 74LVC1G3157 2-channel analog multiplexer/demultiplexer 11. Dynamic characteristics [1] Typical values are measured at Tamb =25 °C and nominal VCC. [2] tpd is the same as tPLH and tPHL. [3] Propagation delay is the calculated RC time constant of the typical ON resistance of the switch and the specified capacitance when driven by an ideal voltage source (zero output impedance). [4] ten is the same as tPZH and tPZL. [5] tdis is the same as tPLZ and tPHZ. [6] Break-before-make specified by design. Table 9. Dynamic characteristics At recommended operating conditions; voltages are referenced to GND (ground = 0 V); for load circuit see Figure 18. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max tpd propagation delay Z to Yn or Yn to Z; see Figure 15 [2][3] VCC = 1.65 V to 1.95 V - - 2 - 3.0 ns VCC = 2.3 V to 2.7 V - - 1.2 - 2.0 ns VCC = 2.7 V - - 1.0 - 1.5 ns VCC = 3 V to 3.6 V - - 0.8 - 1.5 ns VCC = 4.5 V to 5.5 V - - 0.6 - 1.0 ns ten enable time S to Yn; see Figure 16 [4] VCC = 1.65 V to 1.95 V 1.0 8.7 14 1.0 14.0 ns VCC = 2.3 V to 2.7 V 1.0 5.3 7.5 1.0 7.5 ns VCC = 2.7 V 1.0 4.9 6.0 1.0 6.0 ns VCC = 3 V to 3.6 V 0.5 4.0 5.5 0.5 5.5 ns VCC = 4.5 V to 5.5 V 0.5 3.0 4.0 0.5 4.0 ns tdis disable time S to Yn; see Figure 16 [5] VCC = 1.65 V to 1.95 V 2.5 6.0 8.5 2.5 8.5 ns VCC = 2.3 V to 2.7 V 2.0 4.4 6.0 2.0 6.0 ns VCC = 2.7 V 1.5 4.2 5.0 1.5 5.0 ns VCC = 3 V to 3.6 V 1.5 3.6 4.5 1.5 4.5 ns VCC = 4.5 V to 5.5 V 0.8 2.9 3.5 0.8 3.5 ns tb-m break-before-make time see Figure 17 [6] VCC = 1.65 V to 1.95 V 0.5 - - 0.5 - ns VCC = 2.3 V to 2.7 V 0.5 - - 0.5 - ns VCC = 2.7 V 0.5 - - 0.5 - ns VCC = 3 V to 3.6 V 0.5 - - 0.5 - ns VCC = 4.5 V to 5.5 V 0.5 - - 0.5 - ns |
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