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Bus Transceiver is meant for automotive networks.
November 1, 2006 -
Conforming to FlexRay(TM) Physical Layer specification, Model AS8221 has differential bus voltage level of 1.3 V and time skew of less than one nsec. Device supports baud rates of up to 10 Mbit/sec and serves as bidirectional interface between communication controller and twisted pair copper wires. Product offers bus-failure detection capabilities, includes thermal sensor circuit to prevent damage in over-temperature conditions, and comes in lead-free SSOP20 package.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.) |
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austriamicrosystems Presents AS8221 High-speed Automotive Bus Transceiver for Next Generation Automotive Networks
With a differential bus voltage level of 1.3V and a time skew below one nanosecond, the AS8221 is a state-of-the-art bus transceiver fully conforming to the FlexRay(TM) Physical Layer specification
Unterpremstaetten, Austria (October 17, 2006) - austriamicrosystems (SWX: AMS), a leading global designer and manufacturer of high-performance analog integrated circuits (ICs) for communications, industrial, medical and automotive applications, presented at the Convergence Show in Detroit its automotive-qualified high-speed bus transceiver for future generations of automotive networks. The AS8221 bus transceiver IC is ideally suited for extreme automotive environments and provides superior network stability due to its unmatched differential bus voltage level, fulfilling all FlexRay(TM) requirements.
The AS8221 supports baud rates of up to 10 Mbit/sec, ten times the bandwidth available on a CAN-based network, as well as the Bus Guardian interface, enabling fault tolerant and hard real-time applications. Serving as the bidirectional interface between the FlexRay(TM) Communication Controller and the twisted pair copper wires, the device
enables two-way communications with the microcontroller (FlexRay(TM) Host Controller) with full mode handling, including the low-power modes. The device also provides an extended diagnostic interface.
The AS8221 offers advanced bus-failure detection capabilities with the intelligent combination of bus-current measurement and logical comparators. A thermal sensor circuit with an integral shutdown mechanism prevents damage to the device in over-temperature conditions. The symmetrical transient control for the high- and low-side
driver for both the bus-minus and bus-plus line allows an ideal balance of communications over different network topologies, with excellent EMC performance.
"Automotive-qualified according to AEC Q100, the AS8221 high-speed bus transceiver with its leading performance for stable and safe networking enables x-by-wire technology in future automotive applications," states Bernd Gessner, General Manager Automotive at austriamicrosystems. "As a Premium Associate Member of the FlexRay
consortium, we have committed our expertise in the field of time-triggered systems to the new data bus standard and will continuously expand our product family of FlexRay transceivers."
The first generation of automotive-qualified AS8221 is available in a lead-free SSOP20 package. Qualified samples of the next generation FlexRay(TM) Electrical Physical Layer specification V2.1 Rev A will be available in December. More product specific information can be found on the austriamicrosystems website at http://www.austriamicrosystems.com/03...
About austriamicrosystems
austriamicrosystems is a leading designer and manufacturer of high performance analog ICs, combining over 25 years of analog design capabilities and system know-how with its own state-of-the-art manufacturing and test facilities. austriamicrosystems leverages its expertise in low power and high accuracy to provide industry-leading
customized and standard analog products. Operating worldwide with more than 950 employees, austriamicrosystems focuses on the areas of power management, sensors & sensor interfaces, portable audio and car access in the communications, industrial, medical and automotive markets, complemented by its Full Service Foundry activities.
austriamicrosystems is listed on the SWX Swiss Exchange in Zurich (ticker symbol: AMS). For more information visit www.austriamicrosystems.com
For information contact
austriamicrosystems AG
Media Relations
Sonja Pieber-Hascher
Tel: +43 (0) 3136 500 5968
Fax: +43 (0) 3136 500 5420
press@austriamicrosystems.com
www.austriamicrosystems.com
Contacts:
Marketing:
Sonja Pieber-Hascher
INTL
Phone: +43 (0) 3136 500 5968
FAX: +43 (0) 3136 500 5420
 E-mail this person
Company Information:
Name: austriamicrosystems AG
Address: 8141 Schloß
City: Premstatten
Country: Austria
Phone: +43 3136 500 5995
FAX: +43 3136 500 5420
http://www.austriamicrosystems.com
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