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Epson Toyocom Develops Low Jitter, Low Phase Noise HCSL Output SAW Oscillators for High-Speed Interfaces

SAN JOSE, Calif.-(Business Wire)-September 5, 2008 - Epson Toyocom Corporation (Epson Toyocom), the leader in crystal devices, has developed two new HCSL output SAW oscillators, the EG-2102CA HCSL and the EG-2121CA HCSL. Featuring low jitter and low phase noise, these oscillators are ideal for PCI Express and FB-DIMM applications.

The use of high-speed interfaces (PCI Express) for PCs and workstations and FB-DIMM is expanding. Oscillators that operate at frequencies exceeding 100 MHz and generate HCSL output are in demand as reference clocks in these devices. In workstations and other high-end applications, there is also demand for low jitter, low phase noise oscillators to reduce bit errors during data transmission. Epson Toyocom has provided its EG series of low jitter, low phase noise SAW oscillators, which generate oscillations at the fundamental frequency, for high-speed interfaces in LAN and SAN devices.

By adding HCSL output crystal oscillators to our existing line of products that offer CMOS, differential LV-PECL, and LVDS output, Epson Toyocom will help expand the use of PCI Express and other high-speed interfaces. Epson Toyocom plans to develop and commercialize space-saving, high-frequency crystal devices that offer outstanding precision and stability for the next-generation network market, which will provide a variety of services, such as voice, data, TV telephony and video, over IP.

Main features

1. Supports fundamental frequency outputs as high as 500 MHz owing to Epson Toyocom's high-stability SAW devices.

2. With low jitter and low phase noise characteristics at the fundamental frequency, typical phase jitter is 0.3 ps (offset frequency of 12 kHz - 20 MHz and output frequency of 100 MHz).

3. HCSL output support, making them ideal for PCI Express and FB-DIMM clocks.

4. Slim design (typically 7.0 x 5.0 x 1.25t mm).

Main specifications

	EG-2102CA HCSL	EG-2121CA HCSL
Frequency tolerance	±100 x 10^-6 Max. / ±50 x 10^-6 Max.
Operating temperature range	-5 to +85°C / -20 to +70°C / 0 to +70°C
Output frequency range	100 to 500 MHz
Supply voltage	3.3 V ±0.3 V	2.5 V ±0.125 V
Current consumption	85 mA Max.	80 mA Max.
Output voltage	0 to +0.75 V Typ.
Phase jitter	0.3 ps Typ. (Offset frequency: 12 kHz to 20 MHz)
External dimensions	7.0 x 5.0 x 1.25t mm Typ.

About Epson

Epson Electronics America, Inc. (EEA), Timing Products Business Unit, is the sales and marketing arm of Epson Toyocom Corp. (ETC) in Japan, the global leader in quartz devices. They market and sell a wide array of crystals, oscillators, real time clock modules, SAW products, optical devices and gyro sensors. With an innovative and creative culture, Epson is dedicated to exceeding the vision and expectations of customers worldwide with products known for their superior quality, functionality, compactness and energy efficiency. Both EEA and ETC are part of the Seiko Epson Group.

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