SN75154N
16PIN DIP - Quadruple line receiver manufactured by Texas Instruments. It is designed to meet the requirements of the standard interface between data terminal equipment and data communication equipment, as defined by ANSI Standard EIA/TIA-232-E. Essentially, it's an integrated circuit (IC) that receives and processes signals on multiple lines, often used in serial communication applications like those following the RS-232 standard
FROG24GK