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74AHC139 Datasheet(PDF) 8 Page - NXP Semiconductors |
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74AHC139 Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 16 page 1999 Sep 01 8 Philips Semiconductors Product specification Dual 2-to-4 line decoder/demultiplexer 74AHC139; 74AHCT139 AC CHARACTERISTICS Type 74AHC139 Ground = 0 V; tr =tf ≤ 3.0 ns. Notes 1. Typical values at VCC = 3.3 V. 2. Typical values at VCC = 5.0 V. SYMBOL PARAMETER TEST CONDITIONS Tamb (°C) UNIT WAVEFORMS CL 25 −40 to +85 −40 to +125 MIN. TYP. MAX. MIN. MAX. MIN. MAX. VCC = 3.0 to 3.6 V; note 1 tPHL/tPLH propagation delay nAn to nYn see Figs 5 and 7 15 pF − 5.5 11.0 1.0 13.0 1.0 14.0 ns propagation delay nEtonYn see Figs 6 and 7 − 4.8 9.2 1.0 11.0 1.0 11.5 ns propagation delay nAn to nYn see Figs 5 and 7 50 pF − 7.9 14.5 1.0 16.5 1.0 18.5 ns propagation delay nEtonYn see Figs 6 and 7 − 6.9 12.7 1.0 14.5 1.0 16.0 ns VCC = 4.5 to 5.5 V; note 2 tPHL/tPLH propagation delay nAn to nYn see Figs 5 and 7 15 pF − 3.9 7.2 1.0 8.5 1.0 9.0 ns propagation delay nEtonYn see Figs 6 and 7 − 3.4 6.3 1.0 7.5 1.0 8.0 ns propagation delay nAn to nYn see Figs 5 and 7 50 pF − 5.6 9.2 1.0 10.5 1.0 11.5 ns propagation delay nEtonYn see Figs 6 and 7 − 4.9 8.3 1.0 9.5 1.0 10.5 ns |
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