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74AC11109DR Datasheet(PDF) 4 Page - Texas Instruments |
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74AC11109DR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 7 page  54AC11109, 74AC11109 DUAL J-K POSITIVE-EDGE-TRIGGERED FLIP-FLOPS WITH CLEAR AND PRESET SCAS450 – MARCH 1987 – REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 2–4 timing requirements, VCC = 3.3 V ± 0.3 V (see Figure 1) TA = 25°C 54AC11109 74AC11109 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 70 0 70 0 70 MHz t Pulse duration PRE or CLR low 5 5 5 ns tw Pulse duration CLK low or CLK high 7.2 7.2 7.2 ns t Setup time before CLK ↑ Data high or low 5.5 5.5 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 0 0 ns timing requirements, VCC = 5 V ± 0.5 V (see Figure 1) TA = 25°C 54AC11109 74AC11109 UNIT MIN MAX MIN MAX MIN MAX UNIT fclock Clock frequency 0 100 0 100 0 100 MHz t Pulse duration PRE or CLR low 4 4 4 ns tw Pulse duration CLK low or CLK high 5 5 5 ns t Setup time before CLK ↑ Data high or low 4.5 4.5 2.5 ns tsu Setup time, before CLK ↑ PRE or CLR inactive 2 2 2 ns th Hold time, after CLK ↑ 0 0 0 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 54AC11109 74AC11109 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 70 100 70 70 MHz tPLH PRE or CLR QorQ 1.5 6.5 9 1.5 10.5 1.5 9.9 ns tPHL PRE or CLR Q or Q 1.5 8 12.6 1.5 14.4 1.5 13.7 ns tPLH CLK QorQ 1.5 8 11.4 1.5 13.5 1.5 12.7 ns tPHL CLK Q or Q 1.5 7.5 10.5 1.5 12.7 1.5 11.8 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 54AC11109 74AC11109 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT fmax 100 125 100 100 MHz tPLH PRE or CLR QorQ 1.5 4.5 6.5 1.5 7.6 1.5 7.1 ns tPHL PRE or CLR Q or Q 1.5 5 8.6 1.5 10.2 1.5 9.6 ns tPLH CLK QorQ 1.5 5.5 7.9 1.5 9.4 1.5 8.8 ns tPHL CLK Q or Q 1.5 5 7.3 1.5 8.6 1.5 8.1 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 32 pF |
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