This part is a kind of semiconductor called 74541.

Function of this product has IDT74541.

Manufacturers : IDT

Image and pinout :

Some of the text within the PDF file :

FAST CMOS OCTAL BUFFER/LINE DRIVER IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, IDT54/74FCT540/541/2541T/AT/CT MILITARY AND COMMERCIAL TEMPERATURE RANGES IDT54/74FCT240T/AT/CT/DT - 2240T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVERS IDT54/74FCT244T/AT/CT/DT - 2244T/AT/CT IDT54/74FCT540T/AT/CT IDT54/74FCT541/2541T/AT/CT Integrated Device Technology, Inc. FEATURES: • Common features: – Low input and output leakage ≤1µA (max.) – CMOS power levels – True TTL input and output compatibility – VOH = 3.3V (typ.) – VOL = 0.3V (typ.) – Meets or exceeds JEDEC standard 18 specifications – Product available in Radiation Tolerant and Radiation Enhanced versions – Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked) – Available i [ ... ]

74541 PDF Datasheet Download