Semiconductor integrated circuit having latching means...

Details Semiconductor integrated circuit having latching means... Semiconductor integrated circuit having latching means...

2006-06-06

2006-06-06

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

With shift register

C365S078000, C365S230080, C365S230090, C365S239000, C365S240000, C714S727000

Reexamination Certificate

active

07057946

ABSTRACT:
Circuits have a certain function. A plurality of first registers are connected in series, and shift stored data to respective adjacent registers in sequence. A plurality of second registers are connected in series, and shift stored data to respective adjacent registers in sequence. The plurality of first and second registers are connected in one-to-one correspondence to a plurality of input terminals or to a plurality of output terminals. A first scan input terminal is formed at one end of the plurality of first series-connected registers, and a first scan output terminal is formed at the other end. A second scan input terminal is formed at one end of the plurality of second series-connected registers, and a second scan output terminal is formed at the other end. An operation control circuit controls operations of the circuits and the plurality of first and second registers.

REFERENCES:
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patent: 2002/0120895 (2002-08-01), Suzuki
patent: 6-66885 (1994-03-01), None
patent: 2000-0059512 (2000-10-01), None
Jun Ohtani, et al. “A Shared Built-In Self-Repair Analysis for Multiple Embedded Memories,” IEEE 2001 Custom Integrated Circuits Conference. 2001, pp. 187-190.

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