• RE: CD74HCT688: Propagation delay

  

  Clemens Ladisch

  HC indeed is slower than FC. The fastest replacement would be the SN74F521, but as a bipolar device, it has a very high power consumption.

  • over 2 years ago
  • Logic
  • Logic forum

• Duty cycle measurement logic

  

  Jigar Patel

  TI Thinks Resolved

  Other Parts Discussed in Thread: CD4063B , SN74F521 Hello All, I would like to design a duty cycle measurement logic for one of our customer with a adjustable cutoff. i.e. 50% duty cycle is best desired sate to be in. anything more than that or less than…

  • over 3 years ago
  • Logic
  • Logic forum

• 8-bit Identity Comparators with Propagation delay <10ns

  

  Atthen

  Other Parts Discussed in Thread: SN74F521 Hi, My design required to compare between 2 groups of 8 bits input data (A & B). And, output high/low if 8 bits A = B. Fyi, on board Vcc is +5V. At the moment, found that SN74F521 ( 8-bit Identity Comparators…

  • over 12 years ago
  • Logic
  • Logic forum

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