D Typical VOLP (Output Ground Bounce) <1 V at VCC .
Texas Instruments
SN74ABT240A - OCTAL BUFFERS/DRIVERS
D Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C D High-Drive Outputs (–32-mA IOH, 64-mA IOL) D Ioff Supports Partial-Power-Down Mod.