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SN74AC74PW 데이터시트(PDF) 4 Page - Texas Instruments |
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SN74AC74PW 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 23 page SN54AC74, SN74AC74 DUAL POSITIVEEDGETRIGGERED DTYPE FLIPFLOPS WITH CLEAR AND PRESET SCAS521F − 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 SN54AC74 SN74AC74 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 3 V 2.9 4.49 2.9 2.9 IOH = −50 µA 4.5 V 4.4 5.49 4.4 4.4 IOH = −50 µA 5.5 V 5.4 5.49 5.4 5.4 VOH IOH = −12 mA 3 V 2.56 2.4 2.46 V VOH IOH = −24 mA 4.5 V 3.86 3.7 3.76 V IOH = −24 mA 5.5 V 4.86 4.7 4.76 IOH = −50 mA† 5.5 V 3.85 IOH = −75 mA† 5.5 V 3.85 3 V 0.002 0.1 0.1 0.1 IOL = 50 µA 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 = 12 mA 3 V 0.36 0.5 0.44 V VOL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V IOL = 24 mA 5.5 V 0.36 0.5 0.44 IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II Data pins VI = VCC or GND 5.5 V ±0.1 ±1 ±1 A II Control pins 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 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. 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 SN54AC74 SN74AC74 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 100 70 95 MHz tw Pulse duration PRE or CLR low 5.5 8 7 ns tw Pulse duration CLK 5.5 8 7 ns tsu Setup time, data before CLK ↑ Data 4 5 4.5 ns tsu Setup time, data before CLK ↑ PRE or CLR inactive 0 0.5 0 ns th Hold time, data after CLK ↑ 0.5 0.5 0.5 ns |
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