Semiconductor memory device provided with constant-current...

Details Semiconductor memory device provided with constant-current... Semiconductor memory device provided with constant-current...

2007-06-26

2007-06-26

Dinh, Son (Department: 2824)

Static information storage and retrieval

Read/write circuit

Including level shift or pull-up circuit

C365S104000, C365S100000

Reexamination Certificate

active

11045383

ABSTRACT:
A semiconductor memory device includes a memory cell unit including at least one semiconductor memory cell, a voltage generating circuit which produces an operating voltage to which reference is made in performing a predetermined operation on the memory cell unit. The device further includes a constant-current circuit capable of a current trimming operation and adapted to supply a constant current to the voltage generating circuit.

REFERENCES:
patent: 5793674 (1998-08-01), Kubo et al.
patent: 5808953 (1998-09-01), Kim et al.
patent: 6163191 (2000-12-01), Miyagi
patent: 6549154 (2003-04-01), Isobe et al.

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