AL103 Datasheet, PDF (1/66 Pages) List of Unclassifed Manufacturers – 8 PORT LOW COST 10/100 SWITCH

AL103
Revision 1.0
8 PORT LOW COST 10/100 SWITCH
• Supports 8 10/100 Mbit/s MII ports
• Port monitoring support
• Capable of trunking up to 800 Mbit/s link • IEEE 802.3x flow control for full-duplex
• Trunk fail-over feature
operation
• Full- and half-duplex mode operation
• Optional backpressure flow control sup-
• Speed auto-negotiation through MDIO
port for half-duplex operation
• Built-in storage of 1K MAC addresses
• Design to utilize low-cost SGRAM
• Serial EEPROM interface for low-cost
system configuration
• Supports store-and-forward mode
switching
• VLAN support
• AL102A pin compatible
• Automatic source address learning
• 3.3V operation
• Secure mode traffic filtering
• Packaged in 256-pin PQFP
• Broadcast storm control
Product Description
The AL103 is an eight-port 10/100 Mbit/s dual speed Ethernet switch. A low-cost Fast Ethernet
switch can be implemented using the AL103 with low-cost SGRAM. The AL103 also supports
VLAN and multiple port aggregation trunks.
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
High Speed
Switch Fabric
10/100 MAC
10/100 MAC
10/100 MAC
10/100 MAC
Figure 1 System Block Diagram
Switch
Controller
Address
Control
Address
Table
Buffer
Manager
EEPROM
Interface
Reference Only / Allayer Communications