Altera Speeds Cadant C4 Cable Modem Termination System to DOCSIS 1.1 Compliance.

Business Editors/High-Tech Writers

SAN JOSE, Calif.--(BUSINESS WIRE)--May 17, 2001

Developers of broadband communications equipment require reliable, high-performance devices that allow them to meet their customers' needs for better speed, increased services, and higher levels of quality of service (QoS). With this fact in mind, Cadant(R) Inc., a developer of high-speed networking products for the cable industry, chose programmable logic devices (PLDs) from Altera Corporation (Nasdaq:ALTR) for its C4(TM) cable modem termination system (CMTS). The C4 is a new generation of CMTS that delivers capabilities that meet or exceed the Data Over Cable Service Interface Specification (DOCSIS(TM)) 1.1 and PacketCable(TM) requirements. These requirements optimize cable bandwidth utilization and support multiple classes of service, as well as real-time service flows needed for applications such as Internet telephony and streaming media.

"Altera APEX(TM) 20KE devices provided the performance-intensive elements we needed to achieve the rigorous speed requirements of the DOCSIS 1.1 specification," said Tom Cloonan, corporate technology officer of Cadant. "Capabilities like True-LVDS(TM) circuitry and on-chip phase-locked loops (PLLs) were a great asset to the design of our C4 CMTS, which as a result offers the high-performance and high-availability features historically found only in true carrier systems such as Class 4 toll-switching equipment."

"We are excited that our programmable logic enables Cadant to provide wire-speed performance and high availability in its C4 CMTS," said Hiro Higuma, Altera's director of communications marketing. "Cable modem users will be able to enjoy more features, better reliability, and more service options as a result of implementing functions in Altera programmable logic rather than software."

About Cadant, Inc.

Cadant, Inc. designs high-speed networking products for the cable industry. Founded in 1999 and headquartered in Lisle, IL, the company is focused on becoming the world's leading supplier of a new generation of carrier-class Cable Modem Termination Systems (CMTS). The C4 CMTS (L3 Switch Router) developed by Cadant is recognized for its carrier-class reliability, scalability and performance. Cadant is privately held. Additional information can be found at www.cadant.com or by calling 630-281-3000.

About Altera

Altera Corporation, The Programmable Solutions Company(R), was founded in 1983 and is a leading supplier of programmable logic devices (PLDs). Altera's CMOS-based PLDs are user-programmable semiconductor chips that enhance flexibility and reduce time-to-market for companies in the communications, computer peripheral, and industrial markets. By using high performance devices, software development tools, and sophisticated intellectual property cores, system-on-a-programmable-chip (SOPC) solutions can be created with embedded processors, memory, and other complex logic together on a single PLD. Altera common stock is traded on The Nasdaq Stock Market under the symbol ALTR. More information on Altera is available on the Internet at http://www.altera.com.

Altera, The Programmable Solutions Company, APEX, and True-LVDS, and specific device designations are trademarks and/or service marks of Altera Corporation in the U.S. and other countries. All other trademarks are the property of their respective holders.