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SN74F521DWRE4 Folha de dados(PDF) 4 Page - Texas Instruments |
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SN74F521DWRE4 Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 13 page SN54F521, SN74F521 8-BIT IDENTITY COMPARATORS SDFS091 – MARCH 1987 – REVISED OCTOBER 1993 2–4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics (see Note 3) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, CL = 50 pF, RL = 500 Ω, TA = 25°C VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX† UNIT (INPUT) (OUTPUT) ′F521 SN54F521 SN74F521 MIN TYP MAX MIN MAX MIN MAX tPLH PorQ PQ 2.7 6.6 10 2.7 14 2.7 11 ns tPHL P or Q P = Q 3.7 6.6 10 3.2 12 3.2 11 ns tPLH OE P=Q 2.2 4.6 6.5 2.2 8.5 2.2 7.5 ns tPHL OE P = Q 2.7 6.1 9 2.7 13.5 2.7 10 ns † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 3: Load circuits and waveforms are shown in Section 1. |
Nº de peça semelhante - SN74F521DWRE4 |
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Descrição semelhante - SN74F521DWRE4 |
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