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SN74ACT74DRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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SN74ACT74DRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page SN54ACT74, SN74ACT74 DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS WITH CLEAR AND PRESET SCAS520H − AUGUST 1995 − REVISED OCTOBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54ACT74 SN74ACT74 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT IOH = −50 A 4.5 V 4.4 4.49 4.4 4.4 IOH = −50 µA 5.5 V 5.4 5.49 5.4 5.4 VOH IOH = −24 mA 4.5 V 3.86 3.7 3.76 V VOH IOH = −24 mA 5.5 V 4.86 4.7 4.76 V IOH = −50 mA† 5.5 V 3.86 IOH = −75 mA† 5.5 V 3.85 IOL = 50 A 4.5 V 0.001 0.1 0.1 0.1 IOL = 50 µA 5.5 V 0.001 0.1 0.1 0.1 VOL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.5 0.44 V IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II VI = VCC or GND 5.5 V ±0.1 ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 2 40 20 µA ∆ICC‡ One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.6 1.6 1.5 mA Ci VI = VCC or GND 5 V 3 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 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 characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) TA = 25°C SN54ACT74 SN74ACT74 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 145 85 125 MHz tw Pulse duration PRE or CLR low 5 7 6 ns tw Pulse duration CLK 5 7 6 ns tsu Setup time, data before CLK ↑ Data 3 4 3.5 ns tsu Setup time, data before CLK ↑ PRE or CLR inactive 0 0.5 0 ns th Hold time, data after CLK ↑ 1 1 1 ns switching characteristics over recommended operating free-air temperature (unless otherwise noted) (see Figure 1) FROM TO SN54ACT74 PARAMETER FROM (INPUT) TO (OUTPUT) TA = 25°C MIN MAX UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX UNIT fmax 145 210 85 MHz tPLH PRE or CLR Q or Q 1 5.5 9.5 1 11.5 ns tPHL PRE or CLR Q or Q 1 6 10 1 12.5 ns tPLH CLK Q or Q 1 7.5 11 1 14 ns tPHL CLK Q or Q 1 6 10 1 12 ns |
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