LOW POWER SENSE AMPLIFIER FOR MEMORY

摘要

PURPOSE: A memory sense amplifier is provided to save power consumption by outputting and passing a signal generated from a first terminal to a trip circuit after fully amplifying the signal. CONSTITUTION: The sense amplifier includes a differential amplifier for outputting a feeble voltage signal connected with a bit line coupled to a memory cell after sensing and amplifying the voltage signal and a latch amplifier for storing inputted data, wherein the differential amplifier is coupled to a bit line signal and the latch amplifier is operated by an output signal of the differential amplifier. A bias and a breaker are installed in the sense amplifier. The bias is composed of a transistor supplying a source of load resistance for driving the differential amplifier, and the breaker powers off the transistor to power off driving of the differential amplifier.