Antifuse detection circuit

Details Antifuse detection circuit Antifuse detection circuit

1998-08-27

2000-07-04

Nguyen, Viet Q.

Static information storage and retrieval

Read/write circuit

Having fuse element

365 96, 36518905, 36518909, G11C 1140

Patent

active

060848146

ABSTRACT:
An antifuse detection circuit is described which uses a latching circuit and two antifuses. The antifuses are coupled between the latch circuit and ground. The latching circuit described is a differential circuit which can detect which one of the two antifuses has been programmed. The circuit accurately detects an antifuse which has a relatively high resistance after being programmed.

REFERENCES:
patent: 5200652 (1993-04-01), Lee
patent: 5241496 (1993-08-01), Lowrey et al.
patent: 5257222 (1993-10-01), Lee
patent: 5257225 (1993-10-01), Lee
patent: 5324681 (1994-06-01), Lowrey
patent: 5331196 (1994-07-01), Lowrey et al.
patent: 5440246 (1995-08-01), Murray et al.
patent: 5581505 (1996-12-01), Lee
patent: 5617038 (1997-04-01), Houston
patent: 5812477 (1998-09-01), Casper et al.
patent: 5838624 (1998-11-01), Pilling et al.

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