A NEW SENSE AMPLIFIER CIRCUIT

摘要

A sense amplifier circuit comprising: four PMOS transistors whose sources are at a voltage source Vdd, two NMOS transistors whose drains are respectively connected with the drains of the PMOS transistors, the sources of the NMOS transistors being connected to variable resistors, the variable resistors being connected to the drain of a third NMOS transistor (28), the source of the third NMOS transistor (28) being connected to a reference voltage Vref, the gates of the transistors (14, 20) being connected together the gates of the transistors (16, 22) being connected together, the gate of the third NMOS transistor (28) being connected to the gates of the PMOS transistors (12,18).