An energy-efficient 2.5D through-silicon interposer I/O with self-adaptive adjustment of output-voltage swing

An energy-efficient 2.5D through-silicon interposer I/O with self-adaptive adjustment of output-voltage swing

A self-adaptive output swing adjustment is introduced for the design of energy-efficient 2.5D through-silicon interposer (TSI) I/Os. Instead of transmitting signal with large voltage swing, Q-learning based self-adaptive adjustment is deployed to adjust I/O output-voltage swing under constraints of bo...

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Bibliographic Details
Main Authors: Xu, Dongjun, Sai Manoj, P. D., Huang, Hantao, Yu, Ningmei, Yu, Hao
Other Authors: School of Electrical and Electronic Engineering
Format: Conference or Workshop Item
Language:English
Published: 2015
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Electric power
Online Access:https://hdl.handle.net/10356/103086
http://hdl.handle.net/10220/25748
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Institution: Nanyang Technological University
Language: English
Description
Summary:A self-adaptive output swing adjustment is introduced for the design of energy-efficient 2.5D through-silicon interposer (TSI) I/Os. Instead of transmitting signal with large voltage swing, Q-learning based self-adaptive adjustment is deployed to adjust I/O output-voltage swing under constraints of both power budget and bit error rate (BER). Experimental results show that the adaptive 2.5D TSI I/Os designed in 65nm CMOS can achieve an average of 13mW I/O power, 4GHz bandwidth and 3.25pJ/bit energy efficiency for one channel under 10−6 BER, which has 21.42%reduction of power and 14.47% energy efficiency improvement.

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