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US 10,762,877 B2Granted
System, apparatus and method for reducing voltage swing on an interconnect
AssigneeIntel Corporation
InventorsAnupama A. Thaploo, Jaydeep P. Kulkarni, Bhushan M. Borole, Abhishek R. Appu, Altug Koker, Kamal Sinha, Wenyin Fu
Life of this patent
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Abstract
In an embodiment, an apparatus includes: a repeater to receive an input signal at an input node and output an output signal at an output node; a dynamic header device coupled between the repeater and a supply voltage node; and a feedback device coupled between the output node and the dynamic header device to dynamically control the dynamic header device based at least in part on the output signal. Other embodiments are described and claimed.
Claims15
An apparatus comprising:
- a repeater to receive an input signal at an input node and output an output signal at an output node, wherein the repeater comprises:
- a first inverter including:
- a first transistor of a first polarity having a gate terminal to receive the input signal, a first terminal coupled to a supply voltage node and a second terminal coupled to an inter-inverter node;
- and
- a first transistor of a second polarity having a gate terminal to receive the input signal and a second terminal coupled to the inter-inverter node;
- and
- a second inverter including:
- a second transistor of the first polarity having a gate terminal coupled to the inter-inverter node and a second terminal coupled to the output node;
- and
- a second transistor of the second polarity having a gate terminal coupled to the inter-inverter node, a first terminal coupled to a reference voltage node, and a second terminal coupled to the output node;
- a dynamic header device coupled between the repeater and the supply voltage node, the dynamic header device to be dynamically controlled by a feedback device;
- and
- the feedback device coupled between the output node and the dynamic header device, the feedback device to dynamically control the dynamic header device based at least in part on the output signal, wherein the output signal has a lower voltage swing than the input signal.
10 more elements
An apparatus comprising:
- a repeater to receive an input signal at an input node and output an output signal at an output node, wherein the repeater comprises:
- a first inverter including:
- a first transistor of a first polarity having a gate terminal to receive the input signal, a first terminal coupled to a supply voltage node and a second terminal coupled to an inter-inverter node;
- and
- a first transistor of a second polarity having a gate terminal to receive the input signal and a second terminal coupled to the inter-inverter node;
- and
- a second inverter including:
- a second transistor of the first polarity having a gate terminal coupled to the inter-inverter node and a second terminal coupled to the output node;
- and
- a second transistor of the second polarity having a gate terminal coupled to the inter-inverter node, a first terminal coupled to a reference voltage node, and a second terminal coupled to the output node;
- a dynamic header device coupled between the repeater and the supply voltage node, the dynamic header device to be dynamically controlled by a feedback device;
- and
- the feedback device coupled between the output node and the dynamic header device, the feedback device to dynamically control the dynamic header device based at least in part on the output signal, wherein the feedback device comprises:
- a third transistor of the second polarity having a gate terminal coupled to the inter-inverter node, a first terminal coupled to the output node and a second terminal coupled to the dynamic header device;
- and
- a fourth transistor of the first polarity having a gate terminal coupled to a reference voltage node, a first terminal coupled to the output node and a second terminal coupled to the dynamic header device.
13 more elements
An apparatus comprising:
- a repeater to receive an input signal at an input node and output an output signal at an output node;
- a dynamic header device coupled between the repeater and a supply voltage node, the dynamic header device to be dynamically controlled by a feedback device;
- and
- the feedback device coupled between the output node and the dynamic header device, the feedback device to dynamically control the dynamic header device based at least in part on the output signal, wherein the feedback device is to cause the dynamic header device to transition into a saturation region in response to a first transition in the output signal, and comprises:
- a first plurality of transistors of a first polarity stacked between the output node and the dynamic header device;
- and
- a second plurality of transistors of a second polarity stacked between the output node and the dynamic header device.
4 more elements
Dependencies are inferred from the claim text.