8-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER integration h
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AC208
8-PORT ULTRA POWER 10/100 ETHERNET BRIDGED REPEATER
integration highest level siliconrepeater achieved eight-port 10/100 bridged AC208 integrates:
Eight transceivers 10BASE-T/100BASE-TX uplink port repeater 100M repeater Two-port bridge including: memory address table packet buffer Local address filter Address table entries
AC208 issamefirst chip AC208 product family with architecture fabrication technology.
Cascadable port configuration Fully compliant auto-negotiation Very small package 128-pin PQFP Very power typical 1.8W
footprint Selectable drivers 1.25:1 transformers enable additional power reduction
Cable detect mode typical .32W Power down mode typical .08W
Other members product family include AC207, AC206, AC205 AC205i. Provides easy product migration. Provides seamless integration connections system expansion. Includes lowest overall cost form factor 10/100 repeater SOHO gateway router design. Field-proven, industry-standard 10BASE-T/100BASETX Fast Ethernet transceivers lower overall system interoperability reliability risks. Integrated memory reduces component cost manufacturing testing costs. power consumption heat dissipation allows high design density system cost. EEPROM-configured system parameter enables costsensitive architecture. Repeater backplane compatibility with AC108R enables flexibility expandability system architecture.
AC208 with AC206 System Block Diagram
R-MII 7-Wire
T1/ISDN xDSL Cable Modem
Mbps Mbps
AC208
8-Port Dual Speed Repeater
AC208
AC208
16-Port Dual Speed Repeater
AC206
AC208
AC208
AC208
SOHO Router
24-Port Dual Speed Repeater
23-Port Dual Speed Repeater
ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL
AC208 Block Diagram
Integrated PHY, Repeater
Bridge
Bridge Integrated Packet Buffer Memory Integrated
100M
R_100
100M 100M
R_10
Programmable LEDs EEPROM Backplane Cascading
Link
Altima AC208 highly integrated 0.25u CMOS silicon solution. combines functions 10/100 dual-speed bridged repeater including transceiver, internal repeaters, repeater backplane busses expansion, twoport bridge with embedded memory. AC208 contains eight 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. AC208 represents marked improvement over previous generation dual-speed bridged repeater family AC108R. Because memory embedded silicon, AC208 offers obvious advantage cost savings discrete memory device. Additionally, 128-pin PQFP package means savings manufacturing testing. Because AC208 smallest footprint lowest power consumption, per-port basis, micro-LAN solution, when system costs considered power, heat,
components real estate AC208 provides lowest overall system cost most reliable design. AC208 product family includes AC208, AC207, AC206, AC205 AC205i with following features configurations: AC208: 128-pin cascadable backplane PQFP, eight-port with
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
2002 ALTIMA COMMUNICATIONS, INC. Broadcom Company. rights reserved. AC208-PB03-R-11.01.02
ALTIMA COMMUNICATIONS, INC. 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013 ALTIMA COMMUNICATIONS, INC. CONFIDENTIAL
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