M54HC138K_ Просмотр технического описания (PDF) - STMicroelectronics

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M54HC138K_

RAD HARD 3 TO 8 LINE DECODER (INVERTING)

STMicroelectronics 

Figure 4: Test Circuit

M54HCT138

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

RT = ZOUT of pulse generator (typically 50Ω)

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

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