TIL_TESTER

Published:2009/7/11 3:01:00 Author:May | From:SeekIC

Used to check quality, identify intemal sections, and identify terminals of unmarked TTL ICs. Operates from 5-VDC source, which should have current-limhed output for fuse protection against shorts. Used with ordinary CRO, for which horizontal and vertical lacks are shown on diagram. Article tells how eight different oscilloscope displays are interpreted, and gives procedure for identifying terminals of chip one by one as test probe is held on pins.-S.S.Smith, Jr., A TTL Tester, 73 Magazine, Oct. 1976, p 110-111.



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