Datenblatt-Suchmaschine für elektronische Bauteile |
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74AHCT259D Datenblatt(PDF) 11 Page - NXP Semiconductors |
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74AHCT259D Datenblatt(HTML) 11 Page - NXP Semiconductors |
11 / 20 page 2000 Mar 14 11 Philips Semiconductors Product specification 8-bit addressable latch 74AHC259; 74AHCT259 Notes 1. Typical values at VCC = 3.3 V. 2. Typical values at VCC = 5.0 V. VCC = 4.5 to 5.5 V; note 2 tPHL/tPLH propagation delay DtoQn see Figs 5 and 11 15 pF − 4.1 7.5 1.0 9.0 1.0 10.0 ns propagation delay An to Qn see Figs 6 and 11 − 5.3 9.5 1.0 11.5 1.0 12.5 ns propagation delay LE to Qn see Figs 7 and 11 − 4.3 8.0 1.0 9.5 1.0 10.5 ns tPHL propagation delay MR to Qn see Figs 8 and 11 − 3.9 7.0 1.0 8.5 1.0 9.5 ns tPHL/tPLH propagation delay DtoQn see Figs 5 and 11 50 pF − 5.3 9.5 1.0 11.0 1.0 12.0 ns propagation delay An to Qn see Figs 6 and 11 − 6.5 11.5 1.0 13.5 1.0 15.0 ns propagation delay LE to Qn see Figs 7 and 11 − 5.5 10.0 1.0 11.5 1.0 12.5 ns tPHL propagation delay MR to Qn see Figs 8 and 11 − 5.1 9.0 1.0 10.5 1.0 11.5 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 SYMBOL PARAMETER TEST CONDITIONS Tamb (°C) UNIT WAVEFORMS CL 25 −40 to +85 −40 to +125 MIN. TYP. MAX. MIN. MAX. MIN. MAX. |
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