Tundra Semiconductor Announces Mercury Computer Systems Sublicenses RapidIO Tsi578 MicroTCA Switching Module

Tsi578MSM

Chicago, Illinois, WiMAX World 2007 – September 26, 2007 –Tundra Semiconductor Corporation (TSX:TUN), a global leader in System Interconnect, announced today that the Company has sublicensed the Tundra Serial RapidIO® Tsi578 MicroTCA™ Switching Module (Tsi578MSM™) reference design to Mercury Computer Systems. Mercury intends to manufacture and integrate the Tsi578MSM into Mercury's MicroTCA-based Ensemble™ systems for WiMAX and LTE wireless applications, in addition to video, military imaging, and signal processing applications.

“The Tsi578MSM provides the high-speed 10 Gbps RapidIO fabric backplane interconnect and complements Mercury's Ensemble MicroTCA systems for next-generation wireless applications,” said Greg Tiedemann, Director of ATCA Business Development at Mercury. “Combined with Mercury's broad range of AMCs and enabling software, the Tsi578MSM is also ideally suited to low-latency, high-performance commercial and military data plane applications.”

In May 2007, Tundra announced that the Company collaborated with Ericsson to license a MicroTCA Switching Module. The module was originally designed by Ericsson, and subsequently licensed to Tundra to accelerate the deployment of Serial RapidIO-enabled MicroTCA systems.

“This announcement is another significant milestone in the RapidIO market, as we continue to see adoption of RapidIO technology for use in WiMAX, and 3G LTE deployments,” said Daniel Hoste , President and Chief Executive Officer, Tundra Semiconductor. “Tundra and Mercury continue to work closely together to deploy industry-leading RapidIO solutions. Leveraging the proven Tsi578MSM, Mercury will accelerate their customer's time to market with a scalable MicroTCA solution,” continued Hoste.

Technical Features of the Tsi578MSM

AMC form factor switching card

• AMC.4 compliant

RapidIO switching function of a MicroTCA Carrier Hub Switch:

• Twelve 10 Gbps RapidIO backplane interfaces

• Two 10 Gbps RapidIO interfaces to the front panel

• Dual Front Panel RapidIO interfaces enables communication with other external systems

AMC board functions:

• I2C Interface

• Boot from EEPROM using the I2C Interface

• JTAG Interface, 1149.1 and 1149.6 support

• Hardware enabled multicast

Availability

The Tsi578MSM will be available from Mercury in Q1 2008.

About Tundra

Tundra Semiconductor Corporation (TSX:TUN) supplies the world's leading communications, computing and storage companies with smart System Interconnect products, intellectual property (IP) and design services backed by world-class customer service and technical support. Tundra's track record of product leadership includes over a decade of bridges and switches enabling key industry standards: RapidIO®, PCI, PCI-X, PCI Express®, PowerPC®, VME, HyperTransport™, Interlaken, and SPI4.2. Tundra's products deliver high functional quality and simplified board design and layout, with specific focus on system level signal integrity. Tundra's design services division, Silicon Logic Engineering, Inc., offers industry-leading ASIC and FPGA design services, semiconductor intellectual property and product development consulting. Tundra's smart technology connects critical components in high perform