Circuit for supplying a reference voltage in a semiconductor...

Details Circuit for supplying a reference voltage in a semiconductor... Circuit for supplying a reference voltage in a semiconductor...

2011-08-09

2011-08-09

Tran, Andrew Q (Department: 2824)

Static information storage and retrieval

Read/write circuit

Testing

C365S189090, C365S189050, C365S210120

Reexamination Certificate

active

07995408

ABSTRACT:
A reference voltage supplying circuit can include an internal reference voltage generating unit configured to generate an internal reference voltage, a pad configured to receive an external reference voltage, a switching unit selectively configured to supply the internal reference voltage or the external reference voltage to an internal voltage generator in a test mode.

REFERENCES:
patent: 5838076 (1998-11-01), Zarrabian et al.
patent: 5973548 (1999-10-01), Ukita et al.
patent: 6429729 (2002-08-01), Kobayashi et al.
patent: 7057446 (2006-06-01), Choi et al.
patent: 2002/0105847 (2002-08-01), Kono et al.
patent: 2001-358299 (2001-12-01), None
patent: 1019980075712 (1998-11-01), None
patent: 1020050064669 (2005-06-01), None

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