Design of a slew rate controlled output buffer

Garcia, F.; Coll, Philippe; Anvergne, D.

doi:10.1109/asic.1998.722821

Cited by 15 publications

(2 citation statements)

References 3 publications

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“…A capacitance feedback control was also proposed in which the slew rate was well controlled for various output load conditions. In that scheme, the slew rate has been made load independent but it doesn't take into account huge supply voltage variations [3] [4]. A digitally controlled methodology modulates the drivers channel width in the final stage of an output buffer.…”

Section: Introductionmentioning

confidence: 99%

Self-adaptable slew rate control output buffer for embedded microcontroller port applications

Boas¹,

Ribeiro²,

Olmos³

et al. 2008

Proceedings of the 21st Annual Symposium on Integrated Circuits and System Design

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Design guidelines for output buffers with adaptive slew rate control are presented in this paper. By adapting the output driver strength against supply voltage variations it is possible to meet the slew rate requirements as well as to commit with Electromagnetic interference (EMI) compliance levels for a wide supply voltage range. An output buffer based on the proposed methodology was designed and fabricated using a 0.25um SMARTMOS process technology.

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Section: Introductionmentioning

confidence: 99%

Self-adaptable slew rate control output buffer for embedded microcontroller port applications

Boas¹,

Ribeiro²,

Olmos³

et al. 2008

Proceedings of the 21st Annual Symposium on Integrated Circuits and System Design

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“…In [4] a capacitive feedback mechanism ( fig. 3) was introduced to match the output current to the load.…”

Section: Introductionmentioning

confidence: 99%

CMOS output drivers with reduced ground bounce and electromagnetic emission

Deutschmann

Ostermann

ESSCIRC 2004 - 29th European Solid-State Circuits Conference (IEEE Cat. No.03EX705)

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The control of the slew rate and therefore the use of a slew rate controlled output driver is an appropriate measure to reduce the ground bounce as well as the electromagnetic emission. In this paper we show a new slew rate controlled output driver based on the distributed and weighted technique which significantly reduces the ground bounce amplitude and the radiated electromagnetic emission compared to a standard digital tapered output driver. We present the radiated electromagnetic emission of the IC, which was measured using the TEM-cell method.

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