BUY MC74ACT245N https://www.utsource.net/itm/p/11260260.html

Description: The MC74ACT245N is an octal bus transceiver with 3-state outputs and is designed for asynchronous two-way communication between data buses. Features: Octal bus transceiver with 3-state outputs High-speed operation Low power consumption Bus-hold data inputs eliminate the need for external pull-up or pull-down resistors Outputs can be connected directly to the common bus Inputs and outputs are TTL compatible Input clamp diodes Latch-up performance exceeds 100mA Applications: Data transmission between two buses Bus-oriented systems Data buffer memory Data transfer between two systems (For reference only)