Easic Corporation

Hui Hui Ngu

Bruce Alan Gieseke

Ban Pak Wong

Choon Keat Khor

A bitline structure for use in a memory device may be connected to a plurality of bit memory cells. The bitline may be segmented into segments connected to one-third of the plurality of bit memory cells and two-thirds of the bit memory cells, respectively. The segments may be electrically coupled to each other to provide an overall bitline output.

ROM segmented bitline circuit

A memory system may provide for a successful write of a multi-port memory cell (e.g., dual-port 2WR SRAM cell) when it is simultaneously accessed by more than one port. This multi-port memory cell may include at least two independent accesses to the memory cell, where each access may be controlled by an independent wordline signal. Each port may have an independent pair of bitlines. Multiple write circuitry (e.g., double write circuitry) may enable the write driver to drive the input data to more than one pair of bitlines simultaneously.

Multiple write during simultaneous memory access of a multi-port memory device

A configurable memory system may be able to support at least three different write policies, namely, no-read-on-write, read-before-write, and read-after-write. Such a system may include configurable write signal timing, configurable read signal timing, and/or configurable wordline enable signal timing. Static and/or dynamic configuration of the system may be used.

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