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SN74AHC123APWRE4 Folha de dados(PDF) 6 Page - Texas Instruments |
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SN74AHC123APWRE4 Folha de dados(HTML) 6 Page - Texas Instruments |
6 / 28 page SN54AHC123A, SN74AHC123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS SCLS352H − JULY 1997 − REVISED OCTOBER 2005 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 TEST TA = 25°C SN54AHC123A SN74AHC123A UNIT PARAMETER FROM (INPUT) TO (OUTPUT) TEST CONDITIONS MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B Q or Q CL = 15 pF 9.5* 20.6* 1* 24* 1 24 ns tPHL A or B Q or Q CL = 15 pF 10.2* 20.6* 1* 24* 1 24 ns tPLH CLR Q or Q CL = 15 pF 7.5* 15.8* 1* 18.5* 1 18.5 ns tPHL CLR Q or Q CL = 15 pF 9.3* 15.8* 1* 18.5* 1 18.5 ns tPLH CLR trigger Q or Q CL = 15 pF 10* 22.4* 1* 26* 1 26 ns tPHL CLR trigger Q or Q CL = 15 pF 10.6* 22.4* 1* 26* 1 26 ns tPLH A or B Q or Q CL = 50 pF 10.5 24.1 1 27.5 1 27.5 ns tPHL A or B Q or Q CL = 50 pF 11.8 24.1 1 27.5 1 27.5 ns tPLH CLR Q or Q CL = 50 pF 8.9 19.3 1 22 1 22 ns tPHL CLR Q or Q CL = 50 pF 10.5 19.3 1 22 1 22 ns tPLH CLR trigger Q or Q CL = 50 pF 11 25.9 1 29.5 1 29.5 ns tPHL CLR trigger Q or Q CL = 50 pF 12.3 25.9 1 29.5 1 29.5 ns CL = 50 pF, Cext = 28 pF, Rext = 2 kΩ 182 240 300 300 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‡ ±1 % * On products compliant to MIL-PRF-38535, this parameter is not production tested. † tw = Pulse duration at Q and Q outputs ‡ ∆tw = Output pulse-duration variation (Q and Q) between circuits in same package |
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