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VDD16PULSEGENERATORINHAABACADAEAABBBCBDBEBDISZAZBINPUTOUTPUT20 ns 20 ns90%50%10%tPHL90%50%10%VDDVSStPLHVOHVOL8VSSCLCLtTHLtTLHFigure 6. Switching Time Test Circuit and Waveforms(Data Inputs)VDD Vout VDD16BAPULSEGENERATORS1INHAABACADAEAABBBCBDBEBDIS8ZAZBVSSCL1 kS2AB20 nsDISABLEINPUTtPLZOUTPUT90%50%10%10%90%tPHZ20 nstPZL90%tPZH10%VOH≈2.5 V @ VDD = 5 V,10 V AND 15 V≈ 2 V @ VDD = 5 V≈ 6 V @ VDD = 10 V≈ 10 V @ VDD = 15 VVOL* To test other side of circuit connect to this output andchange switch (S1) to other expand input (E).SWITCH POSITIONSTEST S1 S2tPLZ A AtPHZ B BtPZL A AtPZH B BFigure 7. Switching Time Test Circuit and Waveforms(For 3–State Output)MOTOROLA CMOS LOGIC DATA<strong>MC14506</strong>UB5
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