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74LVC1G157 Datasheet(PDF) 6 Page - NXP Semiconductors |
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74LVC1G157 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 15 page 74LVC1G157_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 12 July 2007 6 of 15 NXP Semiconductors 74LVC1G157 Single 2-input multiplexer [1] All typical values are measured at Tamb =25 °C. 11. 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+ 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 Volts; N = number of inputs switching; Σ(CL × VCC2 × fo) = sum of the outputs. IOFF power-off leakage current VCC = 0 V; VI or VO = 5.5 V - ±0.1 ±10 - ±20 µA ICC supply current VI = 5.5 V or GND; IO = 0 A; VCC = 1.65 V to 5.5 V - 0.1 10 - 40 µA ∆ICC additional supply current per pin; VCC = 2.3 V to 5.5 V; VI =VCC − 0.6 V; IO =0 A - 5 500 - 5000 µA CI input capacitance VCC = 3.3 V; VI = GND to VCC - 2.5 - - - pF Table 7. Static characteristics …continued At recommended operating conditions. Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Table 8. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for load circuit see Figure 9. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max tpd propagation delay I0, I1 to Y; see Figure 8 [2] VCC = 1.65 V to 1.95 V 1.5 4.3 11.0 1.5 13.0 ns VCC = 2.3 V to 2.7 V 1.0 2.9 6.1 1.0 7.6 ns VCC = 2.7 V 1.0 3.1 5.6 1.0 7.0 ns VCC = 3.0 V to 3.6 V 1.0 2.7 5.0 1.0 6.3 ns VCC = 4.5 V to 5.5 V 0.5 2.2 4.0 0.5 5.0 ns S to Y; see Figure 8 [2] VCC = 1.65 V to 1.95 V 1.5 4.3 11.0 1.5 13.0 ns VCC = 2.3 V to 2.7 V 1.0 2.9 6.9 1.0 8.6 ns VCC = 2.7 V 1.0 3.3 5.9 1.0 7.4 ns VCC = 3.0 V to 3.6 V 1.0 2.9 5.0 1.0 6.3 ns VCC = 4.5 V to 5.5 V 0.5 2.3 4.0 0.5 5.0 ns CPD power dissipation capacitance VI = GND to VCC; VCC = 3.3 V [3] -18- - - pF |
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