Flip-flop circuit having diagnostic function

Details Flip-flop circuit having diagnostic function Flip-flop circuit having diagnostic function

1992-10-30

1995-02-28

Voeltz, Emanuel T.

Excavating

324 731, 365154, G01K 3129

Patent

active

053944046

ABSTRACT:
A flip-flop circuit further includes a diagnosis clock input terminal, a set/reset system control signal input terminal, a first phase shift operation clock input terminal and a second phase shift operation clock input terminal. The flip-flop circuit can be set to a normal operation state, a diagnostic operation state, or a shift operation state by fixing potentials of these input terminals.

REFERENCES:
patent: 4855669 (1989-08-01), Mahoney
patent: 4862068 (1989-08-01), Kawashima et al.
patent: 4975595 (1990-12-01), Roberts et al.
patent: 5109190 (1992-04-01), Sakashi et al.
patent: 5155383 (1992-10-01), Barbera
"Test Generation Systems in Japan", by S. Funatsu et al., Proc. 12th Design Automation Conf., pp. 114-122 (1975).

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