5-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER silicon integ

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5-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER silicon integ

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AC205
5-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER
silicon integration highest levelbridged repeater achieved five-port 10/100 AC205 integrates:
Five transceivers 10BASE-T/100BASE-TX repeater 100M repeater Two-port bridge including: memory address table packet buffer Local address filter Address table entries
member AC205 architecture AC208 product family, with same fabrication technology. Other members product family include AC208, AC207, AC206 AC205i. Provides easy product migration. Provides seamless integration connections system expansion. Provides lowest overall cost form factor 10/100 repeater design SOHO gateway router design. Utilizes field-proven, industry-standard 10BASE-T/ 100BASE-TX Fast Ethernet transceivers lower overall system interoperability reliability risks. Integrated memory reduces component cost manufacturing testing costs. power consumption heat dissipation allow high design density system cost. EEPROM-configured system parameter enables costsensitive architecture. Configurable 7-wire interface allows versatile application with connectivity.
7-wire port Fully compliant auto-negotiation Very small package 100-pin PQFP
footprint
Very power typical 1.2W
Selectable drivers 1.25:1 transformers enable additional power reduction
Cable detect mode typical .20W Power down mode typical .05W
AC205 Application with AC208 System Block Diagram
7-wire
AC205
ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL
AC205 Block Diagram
Integrated PHY, Repeater Bridge
Bridge
10M/1b
Integrated Packet Buffer Memory Integrated Programmable LEDs EEPROM Reversed 7-wire Interface
100M/5b
R_100
10M/1b 100M/5b MII/ 7-Wire
R_10
Wire
(TX0) (TX1) (TX2) (TX3) (TX4)
Altima AC205 highly integrated 0.25u CMOS silicon solution. combines functions 10/100 dual-speed bridged repeater, including transceivers, 7-wire hard-wire configurable interface, internal repeaters, two-port bridge with embedded memory. AC205 contains five 10BASE-T/100BASE-TX Fast Ethernet transceivers, which configured into fullduplex uplink port. transceivers perform physical layer interface functions 10BASE-T Ethernet Category unshielded twisted pair (UTP) cable 100BASE-TX Fast Ethernet Category cable. 7-wire compatible interface allows AC205 designed into many different applications, reducing number separate devices necessary meet multiple design requirements. AC205 represents marked improvement over previous generation dual-speed bridged repeater family AC108R. Because memory embedded silicon, AC205 offers obvious advantage cost savings discrete memory device. Additionally, 100-pin PQFP package means savings manufacturing testing.
Because AC205 smallest footprint lowest power consumption, per-port basis, micro-LAN solution, when system costs considered power, heat, components real estate AC205 provides lowest overall system cost most reliable design. AC205 member AC208 Product Family. AC208 Product Family includes AC208, AC207, AC206, AC205 AC205-I with following features configurations: AC208: 128-pin PQFP, eight-port with cascadable backplane AC207: 128-pin PQFP, eight-port with 7-wire AC206: 128-pin PQFP, five-port with reversed 7-wire, cascadable repeater backplane AC205: 100-pin PQFP, five-port with 7-wire AC205i: 100-pin PQFP, five-port with 7-wire single independent port phone
2001 ALTIMA COMMUNICATIONS, INC. fully owned subsidiary Broadcom Corporation. rights reserved. AC205-PB01-R-4.26.01
ALTIMA COMMUNICATIONS, INC. 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013 ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL

5-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER silicon integ

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