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74AHC259 Fiches technique(PDF) 10 Page - NXP Semiconductors |
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74AHC259 Fiches technique(HTML) 10 Page - NXP Semiconductors |
10 / 20 page 2000 Mar 14 10 Philips Semiconductors Product specification 8-bit addressable latch 74AHC259; 74AHCT259 AC CHARACTERISTICS Type 74AHC259 GND = 0 V; tr =tf ≤ 3.0 ns. 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 DtoQn see Figs 5 and 11 15 pF − 5.8 11.5 1.0 13.5 1.0 15.0 ns propagation delay An to Qn see Figs 6 and 11 − 7.5 14.5 1.0 17.0 1.0 18.5 ns propagation delay LE to Qn see Figs 7 and 11 − 6.2 12.0 1.0 14.0 1.0 15.2 ns tPHL propagation delay MR to Qn see Figs 8 and 11 − 5.4 10.5 1.0 12.5 1.0 13.5 ns tPHL/tPLH propagation delay DtoQn see Figs 5 and 11 50 pF − 7.3 14.5 1.0 17.0 1.0 18.5 ns propagation delay An to Qn see Figs 6 and 11 − 9.1 18.0 1.0 21.0 1.0 23.0 ns propagation delay LE to Qn see Figs 7 and 11 − 7.7 15.5 1.0 17.5 1.0 19.0 ns tPHL propagation delay MR to Qn see Figs 8 and 11 − 7.0 13.5 1.0 15.5 1.0 17.0 ns tW LE pulse width HIGH or LOW see Figs 7 and 11 5.0 −− 5.0 − 5.0 − ns MR pulse width LOW see Figs 8 and 11 5.0 −− 5.0 − 5.0 − ns tsu set-up time Dto LE, An to LE see Figs 9, 10 and 11 4.0 −− 4.0 − 4.0 − ns th hold time D to LE, An to LE see Figs 9 and 11 1.0 −− 1.0 − 1.0 − ns |
Numéro de pièce similaire - 74AHC259 |
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Description similaire - 74AHC259 |
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