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SN74LV574DWR Datasheet(PDF) 4 Page - Texas Instruments |
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SN74LV574DWR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 13 page SN54LV574, SN74LV574 OCTAL EDGETRIGGERED DTYPE FLIPFLOPS WITH 3STATE OUTPUTS SCLS199B − MARCH 1993 − REVISED APRIL 1996 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) SN54LV574 VCC = 5 V ± 0.5 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 50 40 30 MHz tw Pulse duration, CLK high or low 8 12 14 ns tsu Setup time before CLK ↑ High or low 5 8 9 ns th Hold time, data after CLK ↑ 4 3 3 ns timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) SN74LV574 VCC = 5 V ± 0.5 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT MIN MAX MIN MAX MIN MAX fclock Clock frequency 50 40 30 MHz tw Pulse duration, CLK high or low 8 12 14 ns tsu Setup time before CLK ↑ High or low 5 8 9 ns th Hold time, data after CLK ↑ 4 3 3 ns switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) FROM TO SN54LV574 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V ± 0.5 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN TYP MAX MIN MAX UNIT fmax 50 70 40 50 30 MHz tpd CLK Q 12 17 17 24 26 ns ten OE Q 11 17 16 22 25 ns tdis OE Q 14 19 18 27 28 ns switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) FROM TO SN74LV574 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V ± 0.5 V VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN TYP MAX MIN MAX UNIT fmax 50 70 40 50 30 MHz tpd CLK Q 12 17 17 24 26 ns ten OE Q 11 17 16 22 25 ns tdis OE Q 14 19 18 27 28 ns 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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