Integrated optical-electronic interface in programmable integrated circuit device
View Patent ↗Systems that provide integrated circuit device circuitry having an integrated optical-electronic interface for high-speed off-device communications are provided. An optical-electronic interface may be incorporated into an integrated circuit device, freeing up some or all of the electrical I/O pins of the integrated circuit device. Transceiver I/O channels may be provided on an integrated circuit device that can be switched between electrical and optical transceiver I/O channels.
1. Integrated circuit device circuitry comprising:
core circuitry comprising a plurality of groups of high speed input/output channels, wherein each of the input/output channels of one of the plurality of groups is coupled to the output of a respective multiplexer, and wherein each of the multiplexers selects between an optical interface and an electrical interface based on a control signal from circuitry outside of the integrated circuit device circuitry;
a receiver optical control circuitry coupled to the core circuitry; and
a plurality of electrical input/output ports coupled to the core circuitry and integrated with the integrated circuit device circuitry, wherein none of the electrical input/output ports are consumed by the receiver optical control circuitry.
2. The integrated circuit device circuitry of claim 1 , further comprising:
a transimpedance amplifier coupled to the core circuitry.
3. The integrated circuit device circuitry of claim 2 , further comprising:
at least one photodiode detector, wherein the transimpedance amplifier is coupled between the at least one photodiode detector and the core circuitry.
4. The integrated circuit device circuitry of claim 3 , further comprising an optical coupler, an optical demultiplexer, and an optical waveguide, each coupled to the at least one photodiode, wherein the optical demultiplexer outputs a plurality of optical streams that each have a different wavelength.
5. The integrated circuit device circuitry of claim 2 , further comprising:
a transmitter optical control circuitry coupled to the core circuitry;
a laser array coupled to the core circuitry; and
laser driver circuitry coupled between the core circuitry and the laser array, wherein none of the electrical input/output ports are consumed by the transmitter optical control circuitry.
6. The integrated circuit device circuitry of claim 5 , wherein the laser array comprises hybrid optical-electronic circuitry.
7. The integrated circuit device circuitry of claim 6 , further comprising a modulator, an optical waveguide, and an optical multiplexer coupled to each laser in the laser array, wherein the laser array outputs optical streams that each have a different wavelength, and wherein the optical multiplexer combines the optical streams.
8. The integrated circuit device circuitry of claim 1 , wherein each of the high speed input/output channels of another one of the plurality of groups is coupled to optical interfaces.
9. The integrated circuit device circuitry of claim 1 , wherein some of the high speed input/output channels of another one of the plurality of groups are coupled to optical interfaces and other of the high speed input/output channels of the another one of the plurality of groups are coupled to electrical interfaces.
10. An optical-electronic package, the package comprising:
an integrated circuit device circuitry comprising:
core circuitry comprising a plurality of groups of high speed input/output channels, wherein each of the input/output channels of one of the plurality of groups is coupled to the output of a respective programmable interconnection circuitry, wherein each of the programmable interconnection circuitries selects between an optical interface and an electrical interface, and wherein each of the programmable interconnection circuitries is a multiplexer that receives a control signal from circuitry outside of the core circuitry;
a receiver optical control circuitry coupled to the core circuitry;
a transmitter optical control circuitry coupled to the core circuitry; and
a transimpedance amplifier coupled to the receiver optical control circuitry;
auxiliary receiver circuitry that is distinct from the integrated circuit device circuitry, comprising:
a first mechanical transfer connector coupled to the core circuitry, and
a photodiode detector coupled between the first mechanical transfer connector and the transimpedance amplifier; and
auxiliary transmitter circuitry that is distinct from the integrated circuit device circuitry, comprising:
a second mechanical transfer connector coupled to the core circuitry,
laser driver circuitry coupled to the transmitter optical control circuitry, and
a laser array coupled between the second mechanical transfer connector and the laser driver circuitry.
11. The optical-electronic package of claim 10 , wherein each of the high speed input/output channels of another one of the plurality of groups is coupled to optical interfaces.
12. The optical-electronic package of claim 10 , wherein some of the high speed input/output channels of another one of the plurality of groups are coupled to optical interfaces and other of the high speed input/output channels of the another one of the plurality of groups are coupled to electrical interfaces.
13. An optical-electronic package, the package comprising:
an integrated circuit device circuitry comprising:
core circuitry comprising a plurality of groups of high speed input/output channels, wherein each of the input/output channels of one of the plurality of groups is coupled to the output of a respective programmable interconnection circuitry, wherein each of the programmable interconnection circuitries selects between an optical interface and an electrical interface, and wherein each of the programmable interconnection circuitries is a multiplexer that receives a control signal from circuitry outside of the core circuitry;
a receiver optical control circuitry coupled to the core circuitry;
a transmitter optical control circuitry coupled to the core circuitry,
a transimpedance amplifier coupled to the receiver control circuitry;
a photodiode detector coupled between a first mechanical transfer connector and the transimpedance amplifier;
laser driver circuitry coupled to the transmitter optical control circuitry, and
a laser array coupled between a second mechanical transfer connector and the laser driver circuitry; and
auxiliary receiver circuitry that is distinct from the integrated circuit device circuitry, comprising:
the first mechanical transfer connector coupled to the core circuitry, and
auxiliary transmitter circuitry that is distinct from the integrated circuit device circuitry, comprising:
the second mechanical transfer connector coupled to the core circuitry.
14. The optical-electronic package of claim 13 , wherein each of the high speed input/output channels of another one of the plurality of groups is coupled to optical interfaces.
15. The optical-electronic package of claim 13 , wherein some of the high speed input/output channels of another one of the plurality of groups are coupled to optical interfaces and other of the high speed input/output channels of the another one of the plurality of groups are coupled to electrical interfaces.