74HC14 is a Hex Inverting Schmitt Trigge 

It provides six inverting buffers with Schmitt-trigger action. It is capable of transforming slowly changing input signals into sharply defined, jitter-free output signals.

Specification

• Propagation Delay Time: 125 ns at 2V / 21 ns at 6V
• No. of Gates:6             
• Output Current: 5.2 mA at  6 V 
• No. of Inputs: 1X 6
• No. of Pins: 14
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2V to 6V
• Package: DIP-14   

For 74HC14 datasheet Click Here