BUY SN74ALS641ANE4 https://www.utsource.net/itm/p/9458790.html

Description: Octal Bus Transceiver with 3-State Outputs Features: - High-speed operation: tpd = 8.0 ns (typical) - Low power consumption: ICC = 4.0 mA (max) - Outputs source/sink 24 mA - Latch-up performance exceeds 100 mA per JESD 78, Class II - Input clamp diodes - Outputs directly interface to CMOS, NMOS, and TTL - Inputs compatible with TTL levels - Outputs in high-impedance state when OE is HIGH Applications: - Data transmission between two buses - Data buffering - Data isolation - Data multiplexing/demultiplexing (For reference only)