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74AC11112DR Datasheet(PDF) 4 Page - Texas Instruments |
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74AC11112DR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 7 page 54AC11112, 74AC11112 DUAL JK NEGATIVEEDGETRIGGERED FLIPFLOPS WITH CLEAR AND PRESET SCAS073A − JUNE 1989 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−4 timing requirements, VCC = 3.3 V ± 0.3 V (see Figure 1) TA = 25°C 54AC11112 74AC11112 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 100 0 70 0 70 MHz tw Pulse duration PRE or CLR low 5 5 5 ns tw Pulse duration CLK low or CLK high 5 5 5 ns tsu Setup time before CLK ↓ Data high or low 5 5 5 ns tsu Setup time before CLK ↓ PRE or CLR inactive 2.5 2.5 2.5 ns th Hold time after CLK ↓ 0.5 0.5 0.5 ns timing requirements, VCC = 5 V ± 0.5 V (see Figure 1) TA = 25°C 54AC11112 74AC11112 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 125 0 125 0 125 MHz tw Pulse duration PRE or CLR low 4 4 4 ns tw Pulse duration CLK low or CLK high 4 4 4 ns tsu Setup time before CLK ↓ Data high or low 3.5 3.5 3.5 ns tsu Setup time before CLK ↓ PRE or CLR inactive 2 2 2 ns th Hold time after CLK ↓ 1 1 1 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 54AC11112 74AC11112 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 100 150 100 100 MHz tPLH PRE or CLR Q or Q 1.5 4.9 6.7 1.5 7.6 1.5 7.3 ns tPHL PRE or CLR Q or Q 1.5 7 9.2 1.5 10.3 1.5 9.9 ns tPLH CLK Q or Q 1.5 5.4 7.1 1.5 7.9 1.5 7.6 ns tPHL CLK Q or Q 1.5 6 7.9 1.5 9 1.5 8.5 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 54AC11112 74AC11112 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 125 175 125 125 MHz tPLH PRE or CLR Q or Q 1.5 3.3 5.1 1.5 5.6 1.5 5.4 ns tPHL PRE or CLR Q or Q 1.5 4.6 6.7 1.5 7.7 1.5 7.3 ns tPLH CLK Q or Q 1.5 3.4 5.1 1.5 5.8 1.5 5.6 ns tPHL CLK Q or Q 1.5 4.2 6.3 1.5 7.4 1.5 7 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance per gate CL = 50 pF, f = 1 MHz 37 pF |
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