Automatic circuit identifier

Details Automatic circuit identifier Automatic circuit identifier

1981-02-17

1983-04-12

Malzahn, David H.

Excavating

371 15, 324 73R, G06F 1122

Patent

active

043800700

ABSTRACT:
A hand held apparatus for automatically identifying a hybrid or monolithic integrated circuit or any standard circuit module having a known pin configuration (10) and an unknown identity. A plurality of test instructions (FIG. 6 ) for devices of known identity are stored in a test procedure memory (22) and sequentially provided (125) to the unit under test until the unit either passes a test thus revealing its identity (137) or fails all tests in the memory (145). The socket (10) is connected to a pair of peripheral chips (25a, 25b) having pin definable input/output ports (46, 65, 66) which are used selectively to treat any pin as input, output, or supply.

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patent: 4108358 (1978-08-01), Niemaszyk et al.
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patent: 4138599 (1979-02-01), Munter
patent: 4168527 (1979-09-01), Winkler
patent: 4174805 (1979-11-01), Fulks et al.
patent: 4180203 (1979-12-01), Masters
patent: 4291404 (1981-09-01), Steiner
patent: 4300207 (1981-11-01), Eivers et al.
patent: 4308615 (1981-12-01), Koegel et al.

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