A 15-GHz Gate Array Implemented with Algaas/Gaas Heterojunction Bipolar Transistors

Keh Chung Wang, Peter M. Asbeck, Mau-Chung Chang, Randy B. Nubling, Richard L. Pierson, Neng Haung Sheng, Gerard J. Sullivan, Jimmy Yu

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

This paper reports a 500-gate array implemented with AlGaAs/GaAs HBT’s, using an ECL/CML circuit approach. The HBT’s have f1’s and fmax’s above 55 GHz. Frequency dividers personalized on this gate array have shown flip-flop toggle rates up to 15.6 GHz, the highest ever demonstrated with gate arrays. Measurement on delay chains at 2-mA source current showed unloaded gate delay of 26 ps, and additional delays of 8 ps/fan-out and 0.12 ps/fF of capacitive load. The gate array has been fabricated successfully in a research laboratory and in a pilot production facility.

Original languageEnglish
Pages (from-to)1669-1672
Number of pages4
JournalIEEE Journal of Solid-State Circuits
Volume26
Issue number11
DOIs
StatePublished - 1 Jan 1991

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