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M54HC4040 Datasheet, PDF (6/11 Pages) STMicroelectronics – RAD-HARD 12 STAGE BINARY COUNTER
M54HC4040
Figure 4: Test Circuit
CL = 50pF or equivalent (includes jig and probe capacitance)
RT = ZOUT of pulse generator (typically 50Ω)
Figure 5: Waveform - Minimum Pulse Width (Clear) And Removal Time (Clear To Clock) (f=1MHz;
50% duty cycle)
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