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SN54ALS109A Datasheet(PDF) 3 Page - Texas Instruments |
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SN54ALS109A Datasheet(HTML) 3 Page - Texas Instruments |
3 / 19 page SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A DUAL JK POSITIVEEDGETRIGGERED FLIPFLOPS WITH CLEAR AND PRESET SDAS198B − APRIL 1982 − REVISED AUGUST 1995 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 SN54ALS109A SN74ALS109A UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = −18 mA −1.5 −1.5 V VOH VCC = 4.5 V to 5.5 V, IOH = − 0.4 mA VCC −2 VCC −2 V VOL VCC = 4.5 V IOL = 4 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V IOL = 8 mA 0.35 0.5 V II CLK, J, or K VCC = 5.5 V, VI = 7 V 0.1 0.1 mA II PRE or CLR VCC = 5.5 V, VI = 7 V 0.2 0.2 mA IIH CLK, J, or K VCC = 5.5 V, VI = 2.7 V 20 20 A IIH PRE or CLR VCC = 5.5 V, VI = 2.7 V 40 40 µA IIL CLK, J, or K VCC = 5.5 V, VI = 0.4 V − 0.2 − 0.2 mA IIL PRE or CLR VCC = 5.5 V, VI = 0.4 V − 0.4 − 0.4 mA IO‡ VCC = 5.5 V, VO = 2.25 V −20 −112 −30 −112 mA ICC VCC = 5.5 V, See Note 1 2.4 4 2.4 4 mA † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. NOTE 1: ICC is measured with J, K, CLK, and PRE grounded, then with J, K, CLK, and CLR grounded. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX§ UNIT PARAMETER (INPUT) (OUTPUT) SN54ALS109A SN74ALS109A UNIT MIN MAX MIN MAX fmax 30 34 MHz tPLH PRE or CLR Q or Q 3 17 3 13 ns tPHL PRE or CLR Q or Q 5 17 5 15 ns tPLH CLK Q or Q 5 21 5 16 ns tPHL CLK Q or Q 5 20 5 18 ns § For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
Similar Part No. - SN54ALS109A_15 |
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Similar Description - SN54ALS109A_15 |
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