Integrated logic circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

3072722, 307289, 307455, 307467, 3073031, H03K 329, H03K 19086, H01L 2500

Patent

active

050598198

ABSTRACT:
Flip-flops are disposed corresponding to input circuits or output circuits of an integrated logic circuit so as to be cascaded to configure a shift register for a test and to enable a parallel transfer of data between each flip-flop and a corresponding input or output circuit. As a result, without connecting the probe to all terminals of the LSI, test signals can be supplied from some terminals via all input circuits to an internal circuit so as to conduct a diagnosis.

REFERENCES:
patent: 4156819 (1979-05-01), Takahashi et al.
patent: 4309625 (1982-01-01), Takahashi
patent: 4357703 (1982-11-01), Van Brunt
patent: 4516059 (1985-05-01), Matsuzaki et al.
patent: 4527019 (1985-07-01), Thompson
Radio Shack, "CMOS Databook-National Semiconductor", 1977, pp. 2-95 to 2-102.

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