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SN74ABT543ADBR Scheda tecnica(PDF) 5 Page - Texas Instruments |
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SN74ABT543ADBR Scheda tecnica(HTML) 5 Page - Texas Instruments |
5 / 18 page SN54ABT543A, SN74ABT543A OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS157F – JANUARY 1991 – REVISED MAY 1997 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN54ABT543A VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX tw Pulse duration, LEAB or LEBA low 3.5 3.5 ns Data before LEAB or LEBA ↑ High 2.5 2.5 t Setup time Data before LEAB or LEBA ↑ Low 3 3 ns tsu Setup time Data before CEAB or CEBA ↑ High 2.5 2.5 ns Data before CEAB or CEBA ↑ Low 3 3 th Hold time Data after LEAB or LEBA ↑ 1 1 ns th Hold time Data after CEAB or CEBA ↑ 1 1 ns timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN74ABT543A VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX tw Pulse duration, LEAB or LEBA low 3.5 3.5 ns Data before LEAB or LEBA ↑ High 3.5 3.5 t Setup time Data before LEAB or LEBA ↑ Low 3 3 ns tsu Setup time Data before CEAB or CEBA ↑ High 3.5 3.5 ns Data before CEAB or CEBA ↑ Low 3 3 th Hold time Data after LEAB or LEBA ↑ 0.5 0.5 ns th Hold time Data after CEAB or CEBA ↑ 0.5 0.5 ns |
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