Static information storage and retrieval – Read/write circuit – Plural use of terminal
Patent
1994-09-22
1996-01-09
Nelms, David C.
Static information storage and retrieval
Read/write circuit
Plural use of terminal
36523003, 365201, 36518908, 36523006, 371 211, G11C 11418
Patent
active
054834880
ABSTRACT:
A semiconductor static random access memory device is subjected to a disturb test before delivery to a customer so as to guarantee data retaining capability of memory cells, and a mode signal higher than a standard voltage range causes a block address decoder unit to concurrently activate a plurality of row address decoder units so that the disturb test is simultaneously carried out for the plurality of memory cell blocks, thereby shrinking time period for the disturb test.
REFERENCES:
patent: 4873669 (1989-10-01), Furutani et al.
patent: 5276647 (1994-01-01), Matsui et al.
patent: 5355342 (1994-10-01), Ueoka
NEC Corporation
Nelms David C.
Tran Andrew Q.
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