• Hysteresis on clock inputs for improved noise immunity and increased input rise and fall times
• Asynchronous reset
• Complementary outputs
• Buffered inputs
• Typical f_MAX = 60 MHz at V_CC = 5 V,
  C_L = 15 pF, T_A = 25℃
• Fanout (over temperature range)
  • Standard outputs: 10 LSTTL loads
  • Bus driver outputs: 15 LSTTL loads
• Wide operating temperature range: –55℃ to 125℃
• Balanced propagation delay and transition times
• Significant power reduction compared to LSTTL Logic ICs
• HC types
  • 2 V to 6V operation
  • High noise immunity: N_IL = 30%, N_IH = 30% of V_CC at V_CC = 5 V
• HCT types
  • 4.5 V to 5.5 V operation
  • Direct LSTTL input logic compatibility,
    V_IL = 0.8 V (max), V_IH = 2 V (min)
  • CMOS input compatibility, I_I ≤ 1 μA at V_OL, V_OH

The ’HC73 and CD74HCT73 utilize silicon gate CMOS technology to achieve operating speeds equivalent to LSTTL parts. They exhibit the low power consumption of standard CMOS integrated circuits, together with the ability to drive 10 LSTTL loads.