Crystal Oscillator offers frequency margining at ±5% levels.

Press Release Summary:



Including DS4M125 (125 MHz), DS4M133 (133 MHz), and DS4M200(200 MHz) models, DS4M-XO Series offers 100-300 MHz frequency operation, and enables frequency-margin testing in production environments. Product comes in 5.0 x 3.2 mm ceramic package with integrated crystal, and is suited for PCI, PCI Express II, InfiniBand, and Ethernet applications. Integrating PLL-based oscillator designed using SiGe process, device ensures jitter performance of less than 1 psRMS over -40 to +85°C extended temperature range.



Original Press Release:



Extremely High-Frequency Crystal Oscillators Provide Margining and Low-Jitter Performance for Demanding Communication Applications



Wideband Frequency Margining Crystal Oscillators

o The DS4M-XO series of crystal oscillators provides simple frequency-margining control for use in production environments.

o These crystal oscillators save 55% board space, while providing frequency outputs from 100MHz to 300MHz and low-noise performance over the entire -40°C to +85°C extended temperature range.

o To enable high-frequency operation, these devices integrate a high-frequency, low-noise PLL circuit, which is designed using Maxim's proprietary SiGe process.

o The DS4M-XO series is ideal for PCI, PCI Express II, InfiniBand, and Ethernet applications.

SUNNYVALE, CA - May 5, 2008 - Maxim Integrated Products (PINK OTC MARKETS: MXIM) introduces the DS4M-XO series of crystal oscillators, which supports frequency operation from 100MHz to 300MHz and provides frequency margining in a 5.0mm x 3.2mm package. The industry's first crystal oscillators to provide frequency margining at levels of ±5%, the DS4M-XO series facilitates frequency-margin testing in production environments through simple logic control, thereby eliminating the need for signal generators and nonstandard oscillator frequencies. The ease of use, small size, and high performance of these crystal oscillators make them ideal for use in space-constrained Ethernet, InfiniBand®, PCI(TM), and PCI Express® II applications.

Fifty-five percent smaller than competitive solutions, the DS4M-XO devices are available in a 5mm x 3.2mm ceramic package with an integrated crystal. These XOs are manufactured using fundamental AT-cut crystal technology with no overtone, and they integrate a low-noise, PLL-based oscillator designed using Maxim's proprietary SiGe process. This design ensures jitter performance of less than 1psRMS (12kHz to 20MHz) over the -40°C to +85°C extended temperature range.

These crystal oscillators are highly competitive against both SAW-based and third-overtone crystal oscillator designs. The DS4M-XO devices provide exceptional long-term aging characteristics (< ±7ppm), good stability over temperature (< ±50ppm), low phase-jitter performance (< 1psRMS), and smaller packaging (5mm x 3.2mm versus 5mm x 7mm). Moreover, these XOs provide frequency margining, which is not currently provided by SAW-based or third-overtone oscillator designs.

Standard frequencies for the DS4M-XO series of margining XOs include 125MHz (DS4M125), 133MHz (DS4M133), and 200MHz (DS4M200). For frequencies not listed above, customers should contact the factory for availability and lead-times. The DS4M-XO devices are available in a space-saving, 5.0mm x 3.2mm x 1.49mm, 10-pin LCCC surface-mount package. Prices start at $7.39 (1000-up, FOB USA). Samples are available to speed designs.

Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells over $2 billion of high-performance semiconductor products annually. It was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, Maxim has developed over 5600 products serving the Industrial, Communications, Consumer, and Computing markets. For more information, go to www.maxim-ic.com.

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