uA709PC Op-Amp by Fairchild Semiconductor. Package: 14-DIP Download Fairchild Semiconductor uA709PC .pdf datasheet: Status: NOS (New Old Stock) unexpected find ! ***********Please note this is the 14 pin DIP version NOT the 8 pin DIP, not the SO8 version.*********** Cheapest UK price advertised (August 2017) is £5.99 + Tax our price £2.00 Tested Components: YES we have a jig for testing these. RoHS Compliant: no