Keithley 6487 Reference Manual page 130

8-6 Limit Tests and Digital I/O
Figure 8-5
that there are five possible output patterns (one pass pattern and four fail patterns), but
only one will be sent to the component handler for each DUT that is tested.
Figure 8-5
Operation model for limit testing with binning
Yes
Yes
Display "OK" and
Output Pass Pattern
Yes
No
shows the basic limit testing flowchart expanded to include binning. Notice
Start
Measure
DUT
Limit 1
Test
No
Pass Display
?
Limit 2
Test
No
Pass Display
?
Test
Another
DUT
?
End
Which
Limit
"L1"
Failed
Which
Limit
"L2"
Failed
Model 6487 Reference Manual
Output Fail
Pattern
HI Limit
Failure
?
LO Limit
Failure
Output Fail
Pattern
Output Fail
Pattern
HI Limit
Failure
?
LO Limit
Failure
Output Fail
Pattern