Static random access memory (sram) having bit cells accessible by separate read and write paths
AssigneeFreescale Semiconductor, Inc.
InventorsPerry H. Pelley, Ravindraraj Ramaraju
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AssigneeFreescale Semiconductor, Inc.
InventorsPerry H. Pelley, Ravindraraj Ramaraju
Estimating the term…
A method is for reading a first bit cell of a static random access memory in which the static random access memory has a first plurality of bit cells including the first bit cell. Each bit cell of the first plurality of bit cells includes a cross coupled pair of inverters for storing a logic state, optimized for being written, and powered by a read voltage during a read of the first plurality of bit cells. Each bit cell of the first plurality of bit cells is coupled to a true read bit line and a true write bit line, and a second plurality of bit cells is coupled to a complementary read bit line and a complementary write bit line. The true and complementary read bit lines are precharged to a precharge voltage of about half the read voltage. The true read bit line is predisposed to a logic low condition. One of a group consisting of a high impedance from the first bit cell to indicate that the logic state is a logic low and a signal voltage greater than the intermediate voltage to indicate that the logic state is a logic high is output from the first bit cell to the true read bit line.
A static random access memory having bit cells connected to different paths for reading than for writing, comprising:
A method of reading first bit cell of a static random access memory having a first plurality of bit cells including the first bit cell, wherein each bit cell of the first plurality of bit cells includes a cross coupled pair of inverters for storing a logic state, optimized for being written, and powered by a read voltage during a read of the first plurality of bit cells, wherein each bit cell of the first plurality of bit cells is coupled to a true read bit line and a true write bit line;
A bit cell comprising:
Dependencies are inferred from the claim text.