TI's Clock Generator LMK03806, Simplifies Timing Architecture of Wired and Optical Communication Line Cards

TI Korea (www.ti.com/ww/kr) October 6, 2011 – TI Korea (www.ti.com/ww/kr) today announced the launch of a highly integrated clock generator that delivers industry-leading jitter performance. TI's new clock generator LMK03806 enables designers to generate required clock frequencies from a single low-cost crystal, reducing component count by up to 80% to decrease overall board size, while reducing BOM cost by up to 50% and delivering superior performance compared to existing solutions. For detailed information on TI's LMK03806 or to order samples, visit www.ti.com/lmk3806-pr.

The LMK03806 simplifies the timing architecture of wired and optical communication line cards by simultaneously generating seven independent frequencies from 14 outputs. With an output frequency range of 2.37 MHz - 2.6 GHz, the LMK03806 provides clock support for all components on a typical line card.

Key Features and Benefits
• High-Frequency VCO / Programmable Output Divider: Simultaneous generation of various common frequencies simplifies timing design
• Ultra-Low Jitter: Maintains jitter below 50 fs rms at 312.5 MHz output frequency (1.875 MHz – 20 MHz), improving bit error rate and carrier-to-noise ratio performance
• Programmable LVDS, LVPECL, LVCMOS: Independent configuration of each output clock eliminates the need for level translators and fanout buffers
• Crystal Interface: Enables use of low-cost crystals for simultaneous generation of multiple clocks

Companion device LMK00301 differential fanout buffer/level translator accepts single-ended, differential, or crystal outputs and generates up to 10 additional buffered input clock copies up to 3 GHz in LVDS, LVPECL, or HCSL format. The LMK00301 features best-in-class jitter performance. Jitter generated at 156.25 MHz (12 kHz – 20 MHz) is only 51 fs (femtosecond) rms, and when used with the LMK03806 clock generator, it is below 30 fs rms at 312.5 MHz output frequency (1.875 MHz – 20 MHz). With superior flexibility, clock designers can target additional markets including wireless infrastructure and industrial applications.

When used together with TI's TMS320C6748 DSP or TMS320C66x, the LMK03806 and LMK00301 clocking ICs enable a complete signal chain solution.

Availability, Packaging, and Pricing
The LMK03806 is currently available in a 9-mm x 9-mm, 64-pin LLP package, with a recommended consumer price of $7.95 per unit at 1,000-unit volumes. The LMK00301 is also available in a 7-mm x 7-mm, 48-pin LLP package, with a recommended consumer price of $2.95 per unit at 1,000-unit volumes.

For more information on TI's clock portfolio, click the links below.

• LMK03806 Evaluation Module and Sample Orders: www.ti.com/lmk3806-pr
• LMK00301 Evaluation Module and Sample Orders: www.ti.com/lmk00301-pr
• Complete Clock and Timing Portfolio from National Semiconductor: www.ti.com/clocks-n
• In TI E2E™ Community Clock and Timer Forum, you can ask questions and help solve problems with other engineers.