BUY HD74LS132P https://www.utsource.net/itm/p/11745736.html

Description: Quadruple 2-Input Positive-OR Gates Features: - Low power Schottky TTL (LSTTL) - Inputs compatible with standard TTL outputs - Outputs source/sink 24 mA - Fanout of 2 LSTTL loads - Operating temperature range: -55°C to 125°C Applications: - Data transmission - Data storage - Data processing - Digital logic circuits - Digital signal processing (For reference only)