Antifuse programming and detecting circuit

Details Antifuse programming and detecting circuit Antifuse programming and detecting circuit

1998-05-26

2000-01-18

Nelms, David

Static information storage and retrieval

Read only systems

Fusible

3652257, G11C 1700, G11C 700

Patent

active

060162643

ABSTRACT:
An antifuse programming and detecting circuit has an antifuse which is capable of being programmed to an open state or to a short state. The circuit includes a latch circuit coupled with a power supply; a programming circuit for setting the antifuse state; and a reset circuit for resetting the output signal. The latch circuit provides and latches an output signal by detecting an antifuse state. Therefore, the state of the antifuse can be programmed, identified, and latched by the circuit design in the invention. The programming and detecting operations of the circuit provides programming, current limiting, detecting, and latching functions with simplified design and reduced number of devices.

REFERENCES:
patent: 5148391 (1992-09-01), Zagar
patent: 5631862 (1997-05-01), Cutter et al.
patent: 5680360 (1997-10-01), Pilling et al.
patent: 5706238 (1998-01-01), Cutter et al.

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