Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1995-06-05

1996-11-26

Yoo, Do Hyun

Static information storage and retrieval

Read/write circuit

Bad bit

365148, 3652257, G11C 700, G11C 2900

Patent

active

055792669

ABSTRACT:
Disclosed is a semiconductor memory device requiring smaller current consumption. A fuse circuit for programming substitution between a defective word line WL and a spare word line SWL at a power supply potential Vcc and a ground potential GND includes two fuses. Fuse is cut off when power supply potential Vcc is selected, while fuse is cut off when ground potential GND is selected. Accordingly, no current flows between power supply potential Vcc and ground potential GND.

REFERENCES:
patent: 5446698 (1995-08-01), McClure
patent: 5461587 (1995-10-01), Oh
patent: 5471426 (1995-11-01), McClure

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