The MC74VHCT244A is an advanced high speed CMOS octal bus buffer 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 = 5.6 ns (Typ) at VCC = 5.0 V
• Low Power Dissipation: ICC = 4.0 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 = 1.1 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: 112 FETs or 28 Equivalent Gates
• Pb−Free Packages are Available*