Static information storage and retrieval – Read/write circuit – Testing
Patent
1998-03-26
1999-08-10
Le, Vu A.
Static information storage and retrieval
Read/write circuit
Testing
365154, G11C 700
Patent
active
059369027
ABSTRACT:
A method of testing for SRAM pull-down transistor sub-threshold leakage is disclosed. The method according to the present invention can detect the problem of changes in store state resulting form sub-threshold leakage current flow through the parasitic resistor in SRAM, and therefore provides an advantageous way for the manufacturer to eliminate the defective products and thereby improve the reliability of SRAM.
REFERENCES:
patent: 5568435 (1996-10-01), Marr
Chen Ji-Fu
Hsu Chao-Shuenn
Le Vu A.
Winbond Electronics Corp.
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