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74ACT16821DL Datasheet(PDF) 5 Page - Texas Instruments |
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74ACT16821DL Datasheet(HTML) 5 Page - Texas Instruments |
5 / 9 page 54ACT16821, 74ACT16821 20BIT BUSINTERFACE FLIPFLOPS WITH 3STATE OUTPUTS SCAS176A − JANUARY 1991 − REVISED APRIL 1996 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54ACT16821 74ACT16821 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 70 70 70 MHz tPLH CLK Any Q 4.5 8.8 12 4.5 13.4 4.5 13.4 ns tPHL CLK Any Q 5.2 9.5 12.6 5.2 14 5.2 14 ns tPZH OE Any Q 2.8 8.6 10.8 2.8 11.9 2.8 11.9 ns tPZL OE Any Q 4 9.7 13.3 4 14.7 4 14.7 ns tPHZ OE Any Q 5.4 8.3 10 5.4 10.7 5.4 10.7 ns tPLZ OE Any Q 4.7 7.6 9.3 4.7 10 4.7 10 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per flip-flop Outputs enabled CL = 50 pF, f = 1 MHz 41 pF Cpd Power dissipation capacitance per flip-flop Outputs disabled CL = 50 pF, f = 1 MHz 25 pF PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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