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參數資料
| 型號： | GT-48006A |
| 廠商： | Galileo Technology Services, LLC |
| 英文描述： | Low Cost Two Port 10/100Mbps Ethernet Bridge/Switch Controller(低成本、雙端口10/100Mbps以太網橋式/交換式控制器) |
| 中文描述： | 低成本雙口10/100Mbps以太網橋/開關控制器（低成本，雙端口10/100以太網橋式/交換式控制器） |
| 文件頁數： | 1/33頁 |
| 文件大小： | 352K |
| 代理商： | GT-48006A |
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GT-48006A
Low Cost Two Port 10/100 Ethernet
Bridge/Switch Controller
Preliminary
Revision 1.2
8/4/98
Please contact Galileo Technology for possible
updates before finalizing a design.
FEATURES
www.galileoT.com
support@galileoT.com
Tel: +1-408.367.1400
Fax: +1-408.367.1401
Single-chip, low-cost, two port 10/100Mbps Ethernet
bridge/switch
- Provides packet switching functions between two
10/100Mbps, auto-negotiated on-chip Fast
Ethernet ports
- Ideal for dual speed repeater and 2-port bridge
applications
Incorporates two 802.3 compliant 10/100Mbps Media
Access Controllers
- Direct Interface to MII (Media Independent
Interface)
- Half/Full Duplex Support (up to 200 Mbps/port)
- IEEE 802.3 100Base-TX, T4, and FX compatible
- Support for backpressure in half-duplex mode
Auto-negotiation supported through MII Interface
- Can be disabled on a per-port basis
High-Performance Switching Engine
- Performs forwarding and filtering at full wire speed
- 148,800 packets/sec on each Ethernet port
Direct support for packet buffering
- Glueless interface to 1or 2Mbyte of 50ns EDO
DRAM
- Up to 1K buffers, 1536-bytes each
- Dynamic or fixed buffer allocation for each port
Supports ‘Store and Forward’ switching approach
- Low last-bit in to first-bit out delay
- Provides packet buffering in overloaded networks
High visibility LED interface
- 3 pin serial LED interface for detailed status
information per port
Advanced address recognition
- Intelligent address recognition mechanism enables
forwarding rate at full wire speed
- Self-learning mechanism
- Supports up to 16K Unicast addresses and
unlimited Multicast/Broadcast addresses
Low-power 0.5u 3.3V process (5V tolerant)
100 pin PQFP package
GT-48006A
EDO DRAM
10/100
Repeater
Chip
Four Ports
10/100BaseT
10/100
Repeater
Chip
Four Ports
10/100BaseT
10/100
Repeater
Chip
Four Ports
10/100BaseT
10/100
Repeater
Chip
Four Ports
10/100BaseT
100 Mbps Segment
10 Mbps Segment
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