74HC244 (Octal Bus Buffer With 3 State Outputs)

From the shop's description

Features:- Part Status: Active. Logic Type: Buffer, Non-Inverting. Number of Elements: 2. Number of Bits per Element: 4. Output Type: 3-State. Current - Output High, Low: 7.8mA, 7.8mA. Voltage - Supply: 2V ~ 6V. Package / Case: 20-DIP (0.300", 7.62mm). 74HC244 datasheet.