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74LCX244 Datasheet(PDF) 5 Page - STMicroelectronics |
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74LCX244 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 12 page ![]() 74LCX244 5/12 Figure 3: Test Circuit CL = 50 pF or equivalent (includes jig and probe capacitance) RL = R1 = 500Ω or equivalent RT = ZOUT of pulse generator (typically 50Ω) Figure 4: Waveform - Propagation Delays (f=1MHz; 50% duty cycle) TEST SWITCH tPLH, tPHL Open tPZL, tPLZ 6V tPZH, tPHZ GND |