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Additionally, the memory interface 130 may include or be in communication with controller input/output (I/O) circuitry 136, which includes the circuitry that sends, receives, and generates the analog signals communicated on the transmission lines 134. The controller I/O circuitry 136 may include any of various configurations or circuitry topologies to send, receive, and generate signals. For example, to generate and output signals onto the transmission lines 134, the controller I/O circuitry 136 may include output driver circuits, such as in the form of push-pull circuits, that generate analog signals on the transmission lines 134 at certain predetermined high and low voltage levels. Also, to receive signals from the transmission lines 134, the controller I/O circuitry 136 may include input circuitry, such as in the form of input buffers, which, in some embodiments, may include comparators, such as Schmitt triggers or differential comparators, as non-limiting examples. In various embodiments, the I/O circuitry 136 may include other circuit components, such as pre-driver circuits, level shifter circuits, sampling circuits (e.g., latches or flip flops), and/or multiplexers, to transmit, receive, and generate the signals communicated on the transmission lines. Additionally, the controller I/O circuitry 136 may include conductive components, such as I/O contact pads disposed on the controller die 102 that connect to the transmission lines 134.

Added by DJM 12 2021