74LVQ138(2004) 查看數據表（PDF） - STMicroelectronics

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74LVQ138
(Rev.:2004)

3 TO 8 LINE DECODER (INVERTING)

STMicroelectronics 

Figure 4: Test Circuit

74LVQ138

CL = 50pF or equivalent (includes jig and probe capacitance)

RL = 500Ω or equivalent

RT = ZOUT of pulse generator (typically 50Ω)

Figure 5: Waveform - Propagation Delays For Inverting Outputs (f=1MHz; 50% duty cycle)

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