Frequency distribution modeling for high-speed microprocessors using on-chip ring oscillators

John M. Carulli Jr.; Derek C. Wrobbel; Aswin Mehta; Kenneth E. Krause Jr.; Brad E. Campbell; Fred A. Valente

doi:10.1117/12.361341

27 August 1999 Frequency distribution modeling for high-speed microprocessors using on-chip ring oscillators

John M. Carulli Jr., Derek C. Wrobbel, Aswin Mehta, Kenneth E. Krause Jr., Brad E. Campbell, Fred A. Valente

Proceedings Volume 3884, In-Line Methods and Monitors for Process and Yield Improvement; (1999) https://doi.org/10.1117/12.361341
Event: Microelectronic Manufacturing '99, 1999, Santa Clara, CA, United States

Abstract

It is critical for success in the microprocessor business to understand the relationship between yield and speed- performance. This paper outlines a method for modeling device speed distribution and yield using on-chip ring-oscillator measurements. The modeling method is used in production on the UltraSPARC^TM-II family of microprocessors. Lot-level speed distributions are predicted within 10% by speed-bin and quarterly distributions within 5% by speed-bin. Graphs are generated to show the relationship between business and process concerns.

Citation Download Citation

John M. Carulli Jr., Derek C. Wrobbel, Aswin Mehta, Kenneth E. Krause Jr., Brad E. Campbell, and Fred A. Valente "Frequency distribution modeling for high-speed microprocessors using on-chip ring oscillators", Proc. SPIE 3884, In-Line Methods and Monitors for Process and Yield Improvement, (27 August 1999); https://doi.org/10.1117/12.361341

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