MC74ACT240DWR2G
数据手册.pdf八路缓冲器/ 3态输出的线路驱动器 Octal Buffer/Line Driver with 3−State Outputs
By driving the input to the transmission line this buffer and line driver by will amplify any signal. With a 3-state output, this is power management at its best. This line driver has a minimum operating temperature of -40 °C and a maximum of 85 °C. This product will be shipped in tape and reel packaging to allow for quick mounting and safe delivery. It has 8 channels per chip. This inverting device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.5 V, while its maximum is 5.5 V.