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74LV154 Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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74LV154 Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74LV154 4-to-16 line decoder/demultiplexer 1998 Apr 28 7 TEST CIRCUIT PULSE GENERATOR RT VI D.U.T. VO CL RL = 1k VCC Test Circuit for switching times DEFINITIONS VCC VI < 2.7V VCC TEST tPLH/tPHL RT = Termination resistance should be equal to ZOUT of pulse generators. 50pF SV00901 RL = Load resistor CL = Load capacitance includes jig and probe capacitance 2.7–3.6V 2.7V Figure 3. Load circuitry for switching times. SV00551 A 0 A 1 A 2 A 3 E 0 Strobe E 1 Y14 Y15 Y0 Y1 Figure 4. 1-of-16 decoder; LOW level output is selected. SV00552 A 0 A 1 A 2 A 3 E 0 Data input E 1 Y14 Y15 Y0 Y1 Figure 5. 1-of-16 demultiplexer; logic level on selected outputs follow the logic level on the data input. |
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