Excavating
Patent
1982-09-21
1984-10-09
Atkinson, Charles E.
Excavating
G06F 1100
Patent
active
044765606
ABSTRACT:
An improved circuit for serial scan diagnosis is provided. A state register in the signal path of the digital system under diagnosis is coupled to a diagnostic shift register. Test data is introduced and removed through the diagnostic shift register through a serial input terminal and serial output terminal. For certain operations the serial input terminal becomes a control terminal whereby a minimum number of control lines is required.
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Birkner John M.
Miller Michael J.
Miller Warren K.
Advanced Micro Devices , Inc.
Aka Gary T.
Atkinson Charles E.
King Patrick T.
Monolithic Memories Inc.
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