Testing The Ic; Test Results - abi ChipMaster Compact Manuel D'utilisation

If you wish both tests to be available, use a different number for your
user test.
7.

testing the IC

Insert the IC to be tested in the front of the 40 pin Zero Insertion Force
socket with pin 1 towards the display as shown below:
Ensure that the operating lever on the socket is in the open (i.e. up)
position before inserting the IC. Close the socket by lowering the lever,
making sure that the IC is firmly seated in the socket and making good
contact. Press the TEST/EXEC key to activate the test sequence for the
IC. If an invalid IC type number was entered, or if the IC you have
requested is not supported the message "Unknown" will be displayed.
Simply entering another IC type number will automatically clear this error
message. If a valid type number was entered, the IC test will begin and
the message "BUSY" will be displayed while the test proceeds. Many of
the tests, however, execute so quickly that this message is not
noticeable.
8.

test results

A pre-determined sequence of signals is applied to the inputs of the IC
and the IC outputs are monitored for the correct logic levels. The unit
uses TTL or CMOS logic thresholds (depending on the selected IC)
when evaluating the response of the IC outputs.
respond correctly, the result PASS will be displayed at the top right of the
display. A scrolling message will contain the IC function and power pin
information.
If a short circuit between the power pins of the IC is detected, a warning
'SHT!' will appear on the top right of the display and, since no valid test
ChipMaster Compact Digital IC Tester
Copyright © 1992-2011 ABI Electronics Limited
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If all the outputs