The SN74LS240 and SN74LS244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bus-oriented transmitters/receivers which provide improved PC board density.

1. Hysteresis at Inputs to Improve Noise Margins
2. 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
3. Input Clamp Diodes Limit High-Speed Termination Effects