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74ACT11478 Datasheet(PDF) 3 Page - Texas Instruments |
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74ACT11478 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 5 page 74ACT11478 METASTABLERESISTAND OCTAL DTYPE DUALRANK FLIPFLOP WITH 3-STATE OUTPUTS SCAS131 − APRIL 1990 − REVISED APRIL 1993 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C MIN MAX UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX UNIT IOH = − 50 A 4.5 V 4.4 4.4 IOH = − 50 mA 5.5 V 5.4 5.4 VOH IOH = − 24 mA 4.5 V 3.94 3.8 V VOH IOH = − 24 mA 5.5 V 4.94 4.8 V IOH = − 75 mA{ 5.5 V 3.85 IOL = 50 A 4.5 V 0.1 0.1 IOL = 50 mA 5.5 V 0.1 0.1 VOL IOL = 24 mA 4.5 V 0.36 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.44 V IOL = 75 mA{ 5.5 V 1.65 IOZ VO = VCC or GND 5.5 V ± 0.5 ± 5 mA II VI = VCC or GND 5.5 V ± 0.1 ± 1 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 80 mA DICC‡ One input at 3.4 V, 5.5 V 0.9 1 mA DICC‡ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.9 1mA Ci VI = VCC or GND 5 V 4.5 pF Co VO = VCC or GND 5 V 12 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) TA = 25°C MIN MAX UNIT MIN MAX MIN MAX UNIT fclock Clock frequency 0 75 0 75 MHz tw Pulse duration CLK high 4 4 ns tw Pulse duration CLK low 5 5 ns tsu Setup time, data before CLK ↑ 2.7 2.7 ns th Hold time, data after CLK ↑ 1.5 1.5 ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C MIN MAX UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX UNIT fmax 7.5 75 MHz tPLH CLK Q 4.3 7.4 10.1 4.3 11.6 ns tPHL CLK Q 5.6 9.4 12.6 5.6 14.2 ns tPZH OE Q 3.7 7.5 11.1 3.7 12.6 ns tPZL OE Q 4.7 9.2 13.7 4.7 15.8 ns tPHZ OE Q 4.4 7.2 9.2 4.4 9.8 ns tPLZ OE Q 4.7 6.6 8.7 4.7 9.3 ns |
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