Patent ID: 6016264
Filing Date: 2000-01-18
Classification: G11C

Abstract:
An antifuse programming and detecting circuit comprising:an antifuse being programmable at an open state or a short state;a latch circuit coupled with a power supply, said latch circuit providing and latching an output signal by detecting an antifuse state, said latch circuit comprising a first transistor, a second transistor, and a third transistor, said first transistor and said second transistor being cross-coupled with sources coupled to said power supply and with gates cross-coupled to drains, said drain of said first transistor being coupled to said antifuse, said third transistor having two terminals coupled between said drain of said second transistor and a ground connection, and having a gate coupled to said drain of said first transistor;a programming circuit for setting said antifuse state; anda reset circuit for resetting said output signal.