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SN74ABT574ADWR Fiches technique(PDF) 5 Page - Texas Instruments |
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SN74ABT574ADWR Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 23 page SN54ABT574, SN74ABT574A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS SCBS191F − JANUARY 1991 − REVISED SEPTEMBER 2003 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) SN74ABT574A VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX MIN MAX fclock Clock frequency 150 150 MHz tw Pulse duration, CLK high or low 3.3 3.3 ns t Setup time data before CLK ↑ High 1 1 ns tsu Setup time, data before CLK ↑ Low 1.5 1.5 ns th Hold time, data after CLK ↑ High or low 1.8† 1.8† ns † This data-sheet limit may vary among suppliers. switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54ABT574 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C MIN MAX UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX fmax 150 200 150 MHz tPLH CLK Q 2.2 3.9 6.2 2.2 7 ns tPHL CLK Q 3 4.8 7 3 7.4 ns tPZH OE Q 1 3.3 5 1 5.8 ns tPZL OE Q 2.5 4.7 5.9 2.5 7.2 ns tPHZ OE Q 2.4 4.9 6.2 2.4 7.2 ns tPLZ OE Q 2 4 5.8 2 6.9 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN74ABT574A PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 5 V, TA = 25°C MIN MAX UNIT (INPUT) (OUTPUT) MIN TYP MAX MIN MAX fmax 150 200 150 MHz tPLH CLK Q 2.2 3.9 6.2 2.2 6.8 ns tPHL CLK Q 3 4.8 6.6 3 7.1 ns tPZH OE Q 1 3.3 4.3 1 5.1 ns tPZL OE Q 2.1† 4.7 5.9 2.1† 6.7 ns tPHZ OE Q 2.4 4.9 6.2 2.4 7 ns tPLZ OE Q 2 4 5.8 2 6.5 ns † This data-sheet limit may vary among suppliers. |
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