Texas Instruments 20-SOIC SN74HCT540DWR

The SN74HCT540DWR is a high-speed CMOS logic buffer/line driver from Texas Instruments' 74HCT series. It's designed for low power consumption and provides reliable interfacing between TTL and CMOS systems. This device has multiple non-inverting buffers arranged in a single package, typically in an SOIC (Small Outline Integrated Circuit) or similar surface-mount packaging. The part number ending with "DWR" usually indicates it comes in tape and reel packaging suitable for automated assembly processes. However, note that there