The T74LS240B1 is an octal buffer and line driver designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density.
Hysteresis at Inputs to Improve Noise Margins
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Input Clamp Diodes Limit High-Speed Termination Effects
20 pin DIP. Manufactured by ST.