On-chip circuit for measuring multi-GHz clock signal waveforms

Keith A Jenkins,Phillip J Restle,P Z Wang,David Hogenmiller,David William Boerstler,T J Bucelot

VTS '13 Proceedings of the 2013 IEEE 31st VLSI Test Symposium (VTS)（2013）

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摘要

An on-chip circuit to measure full analog waveforms of internal signals is described. It can measure signals up to a repetition rate of at least 7 GHz, a bandwidth of at least 12 GHz, with accuracy required to detect subtle differences in signals, and it can measure overshoot above the rail voltage. It has been demonstrated on an experimental clock grid with optional resonant operation.

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关键词

clocks,integrated circuit measurement,experimental clock grid,full analog waveform,multighz clock signal waveform measurement,on-chip circuit,optional resonant operation,subtle difference detection,measurement circuit,on-chip,resonant clock,waveform

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