Socket, DIP, 28 pin Part numberDatasheetFarnell: 2453476TE Connectivity, 1-2199299-2 Farnell: 2678541Amphenol, DILB28P-223TLFMouser: 571-1-2199299-2TE Connectivity, 1-2199299-2RS: 674-2454ASSMANN, A 28-LC-TT