The MC74VHCT573A is an advanced high speed CMOS octal latch with 3−state output fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation.

Features
• High Speed: tPD = 7.7 ns (Typ) at VCC = 5.0 V
• Low Power Dissipation: ICC = 4 μA (Max) at TA = 25°C
• TTL−Compatible Inputs: VIL = 0.8 V; VIH = 2.0 V
• Power Down Protection Provided on Inputs and Outputs
• Balanced Propagation Delays
• Designed for 4.5 V to 5.5 V Operating Range
• Low Noise: VOLP = 1.6 V (Max)
• Pin and Function Compatible with Other Standard Logic Families
• Latchup Performance Exceeds 300 mA
• ESD Performance:
    Human Body Model > 2000 V;
    Machine Model > 200 V
• Chip Complexity: 234 FETs or 58.5 Equivalent Gates
• Pb−Free Packages are Available*