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Limit Tests 10-11

• LIN4MOD (Line 4 Mode):

ENDOFTST (End of Test) — With this mode, Model 6514 will pulse the EOT line

when the test is ﬁnished. Use with catagory register component handlers.

/BUSY and BUSY — Pulls line 4 LO (/Busy) or HI (Busy) while the test is in pro-

cess. Use with catagory pulse component handlers.

Arm layer conﬁguration menu

When using a component handler, the “start of test” option is selected from the Arm-In menu

item of the arm layer conﬁguration menu. To access the menu, press SHIFT and then CONF-

ARM.

• ARM-IN — Select the “start of test” option:

IMM (Immediate) — Test starts when LIMIT key is pressed.

TEST — Test starts when the handler pulls the SOT line of the Digital I/O high.

/STEST — Test starts when the handler pulls the SOT line of the Digital I/O low.

NOTE The other arm-in control sources are seldom used with component handlers, but are

available.

Perform limit tests

Step 1 Conﬁgure test system

As previously explained, testing the system could be as simple as connecting a DUT to Model

6514 or could employ the use of a component handler for binning operations.

Step 2 Conﬁgure measurement

Conﬁgure Model 6514 for the desired measurement as covered in the previous sections of this

manual.

Step 3 Conﬁgure limit tests

Conﬁgure Model 6514 for the limit tests as explained in “Limit Test Conﬁguration”.

Step 4 Start testing process

To enable the limit tests, press the LIMIT key. If the SOT line of the Digital I/O port is being

used by a component handler, the test process will not start until the handler pulses the SOT line.

Otherwise, the testing process will start when LIMIT is pressed.

Step 5 Stop testing process

The testing process can be terminated at any time by again pressing the LIMIT key. When

using a component handler, the testing process will stop after the last DUT is tested.

Keithley 6514 User Manual

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