US Patent 7549001 Digital RAM memory circuit with an expanded command structure

Methods, systems, and articles of manufacture for transferring control commands to a memory device. In one embodiment, the memory device comprises at least one serial command terminal with a downstream serial command decoder for receiving and decoding external command code as a serial bit sequence. Embodiments of the invention also disclose a memory controller comprising both a multiplicity of parallel command outputs and at least one serial command output for transmitting command code to the memory device as a serial bit sequence.