Moteur de recherche de fiches techniques de composants électroniques |
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74LV123A Fiches technique(PDF) 7 Page - Texas Instruments |
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74LV123A Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 23 page SN54LV123A, SN74LV123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS SCLS393O − APRIL 1998 − REVISED OCTOBER 2005 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) TEST CONDITIONS TA = 25°C SN54LV123A SN74LV123A UNIT TEST CONDITIONS MIN TYP MAX MIN MAX MIN MAX UNIT tw Pulse CLR 5 5 5 ns tw Pulse duration A or B trigger 5 5 5 ns trr Pulse retrigger time Rext = 1 kΩ Cext = 100 pF † 59 † † ns trr Pulse retrigger time Rext = 1 kΩ Cext = 0.01 mF † 1.5 † † ms † See retriggering data in the application information section. switching characteristics over recommended operating free-air temperature range, VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TEST TA = 25°C SN54LV123A SN74LV123A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) TEST CONDITIONS MIN TYP MAX MIN MAX MIN MAX UNIT A or B Q or Q 14.5* 31.4* 1* 37* 1 37 tpd CLR Q or Q CL = 15 pF 13* 25* 1* 29.5* 1 29.5 ns tpd CLR trigger Q or Q CL = 15 pF 15.1* 33.4* 1* 39* 1 39 ns A or B Q or Q 16.6 36 1 42 1 42 tpd CLR Q or Q CL = 50 pF 14.7 32.8 1 34.5 1 34.5 ns tpd CLR trigger Q or Q CL = 50 pF 17.4 38 1 44 1 44 ns CL = 50 pF, Cext = 28 pF, Rext = 2 kΩ 197 260 320 320 ns tw‡ Q or Q CL = 50 pF, Cext = 0.01 µF, Rext = 10 kΩ 90 100 110 90 110 90 110 ms CL = 50 pF, Cext = 0.1 µF, Rext = 10 kΩ 0.9 1 1.1 0.9 1.1 0.9 1.1 ms ∆tw§ CL = 50 pF ±1 % * On products compliant to MIL-PRF-38535, this parameter is not production tested. ‡ tw = Duration of pulse at Q and Q outputs § ∆tw = Output pulse-duration variation (Q and Q) between circuits in same package PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
Numéro de pièce similaire - 74LV123A |
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Description similaire - 74LV123A |
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