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AMCC First to Enable the Next Generation Multi-Carrier, Transparent
Network Architecture With Introduction of 10 Gbps Digital Wrapper and FEC
Device=AMCC's Hudson is the Industry's First Device to Meet the Rapidly 
Growing
Demand for 10 Gbps Digital Wrapper Solutions From the Man, Transport and WDM
Sectors

SAN DIEGO, Dec 11, 2000 (BUSINESS WIRE) -- Applied Micro Circuits Corp. (AMCC)
(Nasdaq:AMCC), a leader in high-bandwidth silicon connectivity solutions for 
the
world's optical networks, today announced the Hudson (S19203), the industry's
first 10 Gbps silicon device architected to support both the evolving G.709
digital wrapper standard and traditional SONET/SDH infrastructures.

The Hudson variable rate, digital wrapper framer/deframer and performance
monitor device facilitates the transparent transport of multiple protocols
across the network, while aiding interconnection between multiple carriers.
Hudson incorporates programmable Forward Error Correction (FEC) for rates up 
to
10.66 Gbps and supports OC-192 transmission standards. The digital wrapper
technology provides an extension of the current SONET/SDH infrastructure, 
while
enhancing both flexibility and transparency across the network. The Hudson
easily interfaces with AMCC's 10 Gbps mux/demux devices, SONET/SDH/digital
wrapper backplane devices and AMCC's mapping and pointer processing devices.

"The digital wrapper is the next important step for large optical networks as 
it
incorporates the best features of SONET/SDH while removing some of the rigid
overhead structure that makes SONET/SDH sub-optimal for an IP-centric,
intelligent optical network," said Brent Little, vice president of marketing 
for
AMCC. "By using key devices such as Hudson, OEMs will now be able to create 
more
efficient and interoperable systems without starting from scratch."

AMCC's digital wrapper design has already been adopted by most of the major 
wide
area networking (WAN) equipment manufacturers. The demand for digital wrapper
products stems from the need in the WAN to transparently transport multiple
protocols at 10 Gbps, coupled with the need to efficiently provision bandwidth
across today's multiple-carrier network.

"The Hudson is built for the next-generation multi-carrier transport network
architecture and ushers in an efficient and cost-effective means of 
transporting
traffic while extending existing SONET infrastructures," said Ken Prentiss,
AMCC's director of marketing for telecom products. "We are seeing 
unprecedented
demand for Hudson across a large customer base due mainly to the device's
flexible architecture; customers can wrap, unwrap or monitor traditional
SONET/SDH traffic, or wrap and unwrap IP or any other traffic using a single
device."

The digital wrapper concept involves grouping together a number of existing
frames into "super-frames," which can then be more efficiently managed with a
relatively small allocation of overhead-per-byte of data. By aggregating
together the provisions for "framing bits" that are already defined for use by
existing time-division multiplexed (TDM) structures, the super-frame concept
allows for the implementation of an intelligent operation, administration and
maintenance (OAM) capability without materially expanding the amount of data
currently being transmitted. This creative use of available control bits also
allows FEC functions to be very efficiently incorporated within the digital
wrapper definition without a significant net increase in overall bandwidth
usage.

The Hudson's core logic runs on a 1.8V power supply and features two input and
two output ports, which are configurable in many ways. Figure 1 shows a 
typical
network application supporting a single data stream with dual redundant input
and output lines. The input and output ports can be configured as a dual
redundant I/O on a single data stream for protection switching or as two
completely independent data streams for duplex operation. Either input port 
can
be directly connected to either output port for loopback testing.

The Hudson provides full digital wrapper performance monitoring and features
Optical Channel Overhead (OCh-OH) insertion and extraction, which are
independently controllable. All 64 OCh-OH bytes in a superframe are 
programmable
in function and are available for insertion from and drop to FPGA or
microprocessor. Data entering and leaving the Hudson device can be optionally
differentially decoded and encoded, deframed and framed, descrambled and
scrambled, and decoded and encoded with FEC information. In addition, SONET 
data
can optionally be performance monitored for integrity, alarms, and trace
messages.


Pricing and Availability

The Hudson (S19203), packaged in a 624-pin CBGA, will be sampling to 
development
partners in December with volume production commencing in Q2 2001. AMCC 
solution
set pricing can be obtained from the company by calling 800/755-AMCC
(800/755-2622).


About AMCC

AMCC designs, develops, manufactures, and markets high-performance,
high-bandwidth silicon solutions for the world's optical networks. AMCC 
utilizes
a combination of high-frequency analog, mixed-signal and digital design
expertise coupled with system-level knowledge and multiple silicon process
technologies to offer integrated circuit products that enable the transport of
voice and data over fiber optic networks. The company's system solution
portfolio includes PMD, PHY, framer/mapper, network processor, traffic
management and switch fabric devices that address the high-performance needs 
of
the evolving intelligent optical network. AMCC's corporate headquarters and
wafer fabrication facilities are located in San Diego. Sales and engineering
offices are located throughout the world.


AMCC Forward Looking Statements

The statements contained in this press release that are not purely historical
are forward-looking statements within the meaning of Section 27A of the
Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934.
Such forward-looking statements including statements relating to new products
derived from the relationship are subject to a number of risks and
uncertainties, including the risk that such products would not be successfully
developed or achieve market acceptance, as well as the other risks and
uncertainties set forth in the "Factors That May Affect Future Results" 
detailed
in the company's Annual Report on Form 10-K for the year ended March 31, 2000,
and in other filings of the company and MMC Networks with the Securities and
Exchange Commission. As a result of these risks and uncertainties, actual
results may differ materially from these forward-looking statements. The
forward-looking statements contained in this news release are made as of the
date hereof and AMCC does not assume any obligation to update the reasons why
actual results could differ materially from those projected in the
forward-looking statements.

Product photos, datasheets and application notes are available upon request.
AMCC is a registered trademark of Applied Micro Circuits Corp.

Note: A Photo is available at URL:
http://www.businesswire.com/cgi-bin/photo.cgi?pw.121100/bb8


CONTACT:          Applied Micro Circuits Corp., San Diego
Bill Berridge, 858/535-4260
billb@amcc.com
or
Mary Pund, 858/535-6523
maryp@amcc.com
or
The Ardell Group
Karina Wollesen, 650/569-3806
karina@ardellgroup.com

URL:              http://www.businesswire.com
Today's News On The Net - Business Wire's full file on the Internet
with Hyperlinks to your home page.

Copyright (C) 2000 Business Wire.  All rights reserved.

-0-


KEYWORD:          CALIFORNIA
INDUSTRY KEYWORD: COMPUTERS/ELECTRONICS
HARDWARE
NETWORKING
SOFTWARE
TELECOMMUNICATIONS
PHOTO
PHOTOWIRE
PHOTO:
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