A 1T (or 2T) SRAM Bit Cell


Significant Change to SRAM Economics?

There are few semiconductor circuits as constant as the SRAM cell. Until now.

SRAM is important because it’s our fastest-performance memory tier – and it can take up a goodly chunk of your SoC area. But it’s an expensive beast (or else we’d use even more). For as long as I can recall, the basic reference circuit of the SRAM bit has stayed the same. It costs six transistors, arranged as a couple of back-to-back inverters with cross-coupling feedback to hold the state.

(more on EE Journal)


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