LAUSR

A precharge free dynamic content addressable memory (DCAM) is introduced for low-power and high-speed search applications. Elimination of precharge prior to search allows hardware engine to perform more number of searches within the stipulated time. The proposed DCAM cell not only removes precharge of matchline (ML) but also utilises decoupling of bitline and searchline so that unwanted capacitive couplings are minimised at charge storage nodes. A 512 bit of the proposed scheme is implemented using 45 nm CMOS technology and its efficacy is verified and proved through rigorous variations with 1000-point Monte-Carlo sampling of ML voltage as well as multi-search dissipation analysis.