Nonvolatile semiconductor storage device and row-line short...

Details Nonvolatile semiconductor storage device and row-line short... Nonvolatile semiconductor storage device and row-line short...

2007-02-27

2007-02-27

Lam, David (Department: 2827)

Static information storage and retrieval

Floating gate

Particular connection

C365S201000, C365S185230

Reexamination Certificate

active

10718440

ABSTRACT:
A current-path isolating circuit is provided in a row decoder circuit that selects a part of the plurality of row lines of a memory array and that selectively provides a selected row line with a voltage level different from that for other row lines. In a test mode different from a normal operation mode, the current-path isolating circuit isolates a current path in the device into a first current path for a current flowing through the row line selected and a second current path for a current not flowing through the row line but flowing through the row decoder circuit. The current path isolated is formed to supply a testing voltage to the selected row line from a testing voltage source.

REFERENCES:
patent: 6654290 (2003-11-01), Lee et al.
patent: 7-192500 (1995-07-01), None

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