Product_description: ['74HCT CMOS, SMD, 74HCT540, SOIC20; Logic Family / Base Number:74HCT540; Logic Device Type:Buffer / Line Driver, Inverting; Logic Case Style:SOIC; No. of Pins:20Pins; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Logic IC RoHS Compliant: Yes', "74HCT Series 5.5 V SMT Octal Buffer/Line Driver 3-State Inverting - SOIC-20 For more info refer to the specification sheet located in the 'Downloads' section below the image", 'IC', 'NXP 74HCT540D,652 IC, OCTAL BUFFER / LINE DRIVER, 3-STATE, SOIC-20'] (Page 1)