G11C7/1081

Remote Memory Architectures Enabled by Monolithic In-Package Optical I/O

A remote memory system includes a substrate of a multi-chip package, an integrated circuit chip connected to the substrate, and an electro-optical chip connected to the substrate. The integrated circuit chip includes a high-bandwidth memory interface. An electrical interface of the electro-optical chip is electrically connected to the high-bandwidth memory interface. A photonic interface of the electro-optical chip is configured to optically connect with an optical link. The electro-optical chip includes at least one optical macro that converts outgoing electrical data signals received through the electrical interface from the high-bandwidth interface into outgoing optical data signals. The optical macro transmits the outgoing optical data signals through the photonic interface to the optical link. The optical macro also converts incoming optical data signals received through the photonic interface into incoming electrical data signals. The optical macro transmits the incoming electrical data signals through the electrical interface to the high-bandwidth memory interface.

SEMICONDUCTOR DEVICES HAVING ELECTRO-OPTICAL SUBSTRATES
20210165162 · 2021-06-03 ·

Memory devices having electro-optical substrates are described herein. In one embodiment, a memory device includes a plurality of memories carried by an electro-optical substrate. The electro-optical substrate can include a circuit board and an optical routing layer on the circuit board. The memories can be (a) electrically coupled to the circuit board and (b) optically coupled to the optical routing layer. In some embodiments, the optical routing layer is a polymer waveguide.

OPTICALLY INTERFACED STACKED MEMORIES AND RELATED METHODS AND SYSTEMS
20210118853 · 2021-04-22 · ·

A memory device is described. The memory device comprises a plurality of stacked memory layers, wherein each of the plurality of stacked memory layers comprises a plurality of memory cells. The memory device further comprises an optical die bonded to the plurality of stacked memory layers and in electrical communication with the stacked memory layers through one or more interconnects. The optical die comprises an optical transceiver, and a memory controller configured to control read and/or write operations of the stacked memory layers. The optical die may be positioned at one end of the plurality of stacked memory layers. The one or more interconnects may comprise one or more through silicon vias (TSV). The plurality of memory cells may comprise a plurality of solid state memory cells. The memory devices described herein can enable all-to-all, point-to-multipoint and ring architectures for connecting logic units with memory devices.

Semiconductor devices having electro-optical substrates
10928585 · 2021-02-23 · ·

Memory devices having electro-optical substrates are described herein. In one embodiment, a memory device includes a plurality of memories carried by an electro-optical substrate. The electro-optical substrate can include a circuit board and an optical routing layer on the circuit board. The memories can be (a) electrically coupled to the circuit board and (b) optically coupled to the optical routing layer. In some embodiments, the optical routing layer is a polymer waveguide.

SCALABLE STORAGE DEVICE
20210074326 · 2021-03-11 ·

Implementations described and claimed herein provide a high-capacity, high-bandwidth scalable storage device. The scalable storage device includes a layer stack including at least one memory layer and at least one optical control layer positioned adjacent to the memory layer. The memory layer includes a plurality of memory cells and the optical control layer is adapted to receive optically-encoded read/write signals and to effect read and write operations to the plurality of memory cells through an electrical interface.

SEMICONDUCTOR DEVICES HAVING ELECTRO-OPTICAL SUBSTRATES
20200132930 · 2020-04-30 ·

Memory devices having electro-optical substrates are described herein. In one embodiment, a memory device includes a plurality of memories carried by an electro-optical substrate. The electro-optical substrate can include a circuit board and an optical routing layer on the circuit board. The memories can be (a) electrically coupled to the circuit board and (b) optically coupled to the optical routing layer. In some embodiments, the optical routing layer is a polymer waveguide.

Systems having disaggregated components coupled by optical media

A disclosed system may include (1) a memory package having a physical memory and optical circuitry, (2) a processor package, separate and distinct from the memory package, having at least one physical processor and additional optical circuitry, and (3) an optical medium communicatively coupling the optical circuitry of the memory package with the additional optical circuitry of the processor package. Various other systems, apparatuses, and methods are also disclosed.

Remote memory architectures enabled by monolithic in-package optical i/o

A remote memory system includes a substrate of a multi-chip package, an integrated circuit chip connected to the substrate, and an electro-optical chip connected to the substrate. The integrated circuit chip includes a high-bandwidth memory interface. An electrical interface of the electro-optical chip is electrically connected to the high-bandwidth memory interface. A photonic interface of the electro-optical chip is configured to optically connect with an optical link. The electro-optical chip includes at least one optical macro that converts outgoing electrical data signals received through the electrical interface from the high-bandwidth interface into outgoing optical data signals. The optical macro transmits the outgoing optical data signals through the photonic interface to the optical link. The optical macro also converts incoming optical data signals received through the photonic interface into incoming electrical data signals. The optical macro transmits the incoming electrical data signals through the electrical interface to the high-bandwidth memory interface.

OPTICAL COMPUTING SYSTEM WITH DISAGGREGATED MEMORY
20240045464 · 2024-02-08 · ·

Described herein are embodiments of a photonic computing system comprising one or more processors in communication with disaggregated memory through one or more optical channels. The disaggregated memory comprises multiple memory units placed on a photonic substrate that includes a photonic network that can be programmed to configure which of the memory units can be accessed by each of the processor(s).

Semiconductor integrated circuit including master chip and slave chip that are stacked
10424355 · 2019-09-24 · ·

A semiconductor integrated circuit including first semiconductor chip and second semiconductor chip that are vertically stacked, wherein the first semiconductor chip includes a first column data driving circuit configured to transmit internal data to the second semiconductor chip in a DDR (double data rate) scheme based on an internal strobe signal, and a first column strobe signal driving circuit configured to generate first column strobe signals that are source-synchronized with first column data transmitted to the second semiconductor chip by the first column data driving circuit, based on the internal strobe signal, and transmit the first column strobe signals to the second semiconductor chip.