Patent ID: 6268747
Filing Date: 2001-07-31
Classification: G11C

Abstract:
A sense amplifier circuit for sensing a potential difference between two input lines, and for adopting a first or second logic state in response to said potential difference being respectively positive or negative, the sense amplifier comprising a bistable circuit, a control circuit and a gating circuit, said gating circuit having a gating circuit input terminal, and said control circuit having a control input and an output, wherein the bistable circuit has a first and a second signal terminal connected to the input lines via said gating circuit, wherein said bistable circuit has positive and negative supply nodes, one of said supply nodes being connected to a respective one of a positive and negative supply terminals and the other of said supply nodes being connected to the output of said control circuit, said control circuit operating in response to an input at said control input to activate said bistable circuit, and further comprising a delaying inverter circuit connecting the output of said control circuit to said gating circuit input terminal.