A 90-nm radiation hardened clock spine

Srivatsan Chellappa; Lawrence T. Clark; Keith Holbert

doi:10.1109/TNS.2012.2183647

A 90-nm radiation hardened clock spine

Srivatsan Chellappa, Lawrence T. Clark, Keith Holbert

Research output: Contribution to journal › Article

12 Scopus citations

Abstract

A RHBD clock distribution network is described that reliably synchronizes the flow of signals through an integrated circuit in the presence of SETs. The clock spine design controls both redundant and non-redundant hardened circuits. The design uses techniques to reduce the jitter due to SETs, as well as error detection at every clock edge, since errors may be in the clock gating enables rather than the clocks themselves. The clock spine has been fabricated and tested on both standard and a low power 90-nm test chips, and proven hard as demonstrated by both heavy ion and proton broad beam testing.

Original language	English (US)
Article number	6172202
Pages (from-to)	1020-1026
Number of pages	7
Journal	IEEE Transactions on Nuclear Science
Volume	59
Issue number	4 PART 1
DOIs	https://doi.org/10.1109/TNS.2012.2183647
State	Published - Mar 27 2012

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Keywords

Clock generation
radiation hardening by design
single event transients
single event upset

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Electrical and Electronic Engineering

Cite this

Chellappa, S., Clark, L. T., & Holbert, K. (2012). A 90-nm radiation hardened clock spine. IEEE Transactions on Nuclear Science, 59(4 PART 1), 1020-1026. [6172202]. https://doi.org/10.1109/TNS.2012.2183647

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Access to Document

10.1109/TNS.2012.2183647