METHOD AND SYSTEM FOR PROVIDING A SENSE AMPLIFIER AND DRIVE CIRCUIT FOR SPIN TRANSER TORQUE MAGNETIC RANDOM ACCESS MEMORY

摘要

A method and system for providing a magnetic memory including a plurality of magnetic storage cells, a plurality of bit lines, at least one reference line, and at least one sense amplifier. Magnetic element(s) are programmable using write current(s) driven through the magnetic element. The sense amplifier(s) are coupled with the bit lines and reference line(s), and include logic and a plurality of stages. A first stage converts at least current signal to at least one differential voltage signal. A second stage amplifies the at least one differential voltage signal. The logic selectively disables at least one of the first and second stages in the absence of a read operation and enabling the first and second stages during the read operation.