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Design and optimization of a low-power and very-high-performance 0.25 μm advanced pnp bipolar process

✍ Scribed by Boualem Djezzar


Book ID
104157816
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
432 KB
Volume
29
Category
Article
ISSN
0026-2692

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✦ Synopsis


The low-power and very-high-performance 0.25/~m vertical pnp bipolar process is designed and characterized by using the mixed two-dimensional numerical device/circuit simulator (CODECS). This pnp transistor has a 25 nmwide emitter, a 38 nm-wide base region, a current gain of 17 (without poly-Si emkter effect) and maximum cut-off ~equency of 24GHz. The conventional ECL circuit, designed by this pnp tr-,msistor, exhibits an unloaded gate delay of 22psec at 1.75mW, and a delay time less than 16psec/stage for an unloaded ECL ring-oscillator.


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