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Very high-speed logic

The very high-speed CMOS XC7 logic family is a speed upgrade of HC(T) with over-voltage tolerant inputs for true mixed voltage applications. NXP’s provides XC7SH and XC7WH products for use in 2.0 V to 6.0 V CMOS applications. XC7SET products are suitable for use in 4.5 V to 5.5 V TTL applications.

XC7 logic devices are specified over 2.0 V to 6.0 V. With a balanced output drive of 8 mA and typical propagation delay of 5 ns, the XC7 family includes single, dual and triple gates. Functions include inverters, buffers/line drivers and gates.

XC7 products are available in leaded and leadless PicoGate packages for PCB space saving. NXP’s XC7 products are fully specified from -40 °C to 125 °C.


  • 5 ns typical propagation delay
  • Balanced output drive IOH / IOL = ±8 mA
  • Low power
  • 5 V tolerant inputs
  • Low noise: VOLP = 0.8 V (max.)

Target Applications

  • Industrial
  • Consumer electronics
  • Computer peripherals
  • Communications
  • Mixed voltage applications