The testet provides 16 LEDs
arranged on the board in the shape
of a 16-pin DlL package. Each of
these LEDs indicates the logic level
present at the corresponding pin of
the logic IC whose function you wish
to examine. This is achieved by placing
a 16-way rest clamp on to the IC
under test, and feeding the logic levels
to the present tester via a 20-way
flatcable.
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