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SN74AC564DBRE4 Scheda tecnica(PDF) 4 Page - Texas Instruments |
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SN74AC564DBRE4 Scheda tecnica(HTML) 4 Page - Texas Instruments |
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4 / 13 page  SN54AC564, SN74AC564 OCTAL DTYPE EDGETRIGGERED FLIPFLOPS WITH 3STATE OUTPUTS SCAS551D− NOVEMBER 1995 − REVISED OCTOBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54AC564 SN74AC564 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 75 55 60 MHz tw Pulse duration, CLK high or low 6 7.5 7 ns tsu Setup time, data before CLK ↑ 2.5 4.5 3 ns th Hold time, data after CLK ↑ 2 2.5 2 ns timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TA = 25°C SN54AC564 SN74AC564 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 95 85 85 MHz tw Pulse duration, CLK high or low 4 5 5 ns tsu Setup time, data before CLK ↑ 2 3.5 2.5 ns th Hold time, data after CLK ↑ 2 2.5 2 ns switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C SN54AC564 SN74AC564 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 75 55 60 MHz tPLH CLK Q 3.5 8.1 14 1 16.5 3.5 15.5 ns tPHL CLK Q 3.5 8.2 12.5 1 15 3.5 14 ns tPZH OE Q 2.5 7.2 11.5 1 13 2.5 12.5 ns tPZL OE Q 3 7.7 11 1 12.5 3.5 12 ns tPHZ OE Q 4 8.6 12.5 1 14 4.5 13.5 ns tPLZ OE Q 2 7.3 9.5 1 10.5 2.5 10.5 ns 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 SN54AC564 SN74AC564 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 95 85 85 MHz tPLH CLK Q 2 4.9 10.5 1.5 11.5 2 11.5 ns tPHL CLK Q 2 5 9.5 1.5 10.5 2 10.5 ns tPZH OE Q 2 5.1 9 1.5 9.5 2 9.5 ns tPZL OE Q 1.5 5.2 8.5 1.5 9.5 2 9.5 ns tPHZ OE Q 2 5.7 10.5 1.5 11.5 2 11.5 ns tPLZ OE Q 1.5 4.8 8 1.5 9 1.5 9 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance CL = 50 pF, f = 1 MHz 50 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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