BUY GD74LS04 https://www.utsource.net/itm/p/11671132.html

Description: The GD74LS04 is a 14-pin integrated circuit logic device manufactured by Goldstar. It is a Hex Inverter, a type of digital logic gate that has six independent inverter gates in a single package. Features: Low power consumption High noise immunity High speed operation Low power Schottky TTL compatible Inputs and outputs are TTL compatible Outputs source/sink 24mA Outputs are open collector Operating temperature range from -55°C to 125°C Available in 14-pin DIP package Applications: Used in logic circuits Used in data transmission Used in memory circuits Used in digital signal processing Used in digital logic circuits Used in computer systems Used in industrial control systems Used in automotive applications (For reference only)