Fuse option circuit for memory device

Details Fuse option circuit for memory device Fuse option circuit for memory device

1997-12-29

1999-09-14

Hoang, Huan

Static information storage and retrieval

Read/write circuit

Having fuse element

365200, 365222, G11C 700

Patent

active

059532793

ABSTRACT:
A fuse option circuit for memory device capable of performing the function of the fuse option circuit completely even in the case that the fuse is incompletely connected, is disclosed. The fuse option circuit according to the present invention includes a transistor serially connected to the fuse for alternatively selecting the turn-on resistance of the transistor being greater than the resistive components of the fuse when the fuse is stably connected, and smaller when the fuse is unstably disconnected, such that the advantageous effects which improve the production yield of the semiconductor device can be obtained by clearly determining the fuse connection state of the fuse option circuit.

REFERENCES:
patent: 5323353 (1994-06-01), Griffus et al.
patent: 5619469 (1997-04-01), Joo
patent: 5812466 (1998-09-01), Lee et al.
patent: 5828624 (1998-10-01), Baker et al.
patent: 5841709 (1998-11-01), McClure

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