DM74LS75N quad latch by Fairchild Semiconductor. Package: 16-DIP Download Fairchild DM74LS75N datasheet: Status: RNOS (Rare New Old Stock) in sealed RS foil bags. ***Note these are now stupidly hard to find : 2 in 1.5 million chips in 5 years !!! *** When available are selling on auction sites at £5 our price £4.50 RS Components legacy stock code : RS639-210 RoHS compliant: no