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參數資料
| 型號： | DM8108 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 8 port 10/100M Fast Ethernet Switching Controller |
| 中文描述： | 8端口10/100M快速以太網交換控制器 |
| 文件頁數： | 1/35頁 |
| 文件大小： | 371K |
| 代理商： | DM8108 |
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DM8108
8 port 10/100M Fast Ethernet Switching Controller
Preliminary
Version: DM8108-DS-P02
November 25, 1999
1
General Description
The DM8108 is an 8 port 10/100Mbit/s nonblocking
Ethernet switch with on-chip address-lookup engine. The
DM8108 provides a low-cost, high-performance switch
solution with PHYs and single SGRAM.
The DM8108 provides eight 10/100Mbit/s Fast Ethernet
interface. In half-duplex mode, all ports support back-
pressure capability to reduce the risk of data loss for a long
burst of activity. In the full-duplex mode of operation, the
device uses IEEE std. 802.3 frame-based pause protocol
for flow control. With full-duplex capability, port 0 – 7 support
1.6Gbit/s aggregate bandwidth connections. The DM8108
also supports port trunking/load balancing on the
10/100Mbit ports. This can be used to group ports on inter-
switch links to increase the effective bandwidth between the
systems.
The internal address-lookup engine supports up to 16.25K
unicast and unlimited multicast and broadcast addresses.
This engine performs destination and source addresses
book-keeping and comparison which also forwards
unknown destination address packets to all ports.
The DM8108 is fabricated with a .35um technology.
Working at 3.3V, the inputs are 5V tolerant and the outputs
are capable of directly driving at TTL levels.
Block Diagram
Expansion
Address
Learning
MEM
Controller
LED Control
Unit
Switching
Engine
Control &
Status
相關PDF資料 |
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|---|---|
| DM8121W | 8-Input Digital Multiplexer |
| DM8123N | 2-Input Digital Multiplexer |
| DM7123J | 2-Input Digital Multiplexer |
| DM7123W | 2-Input Digital Multiplexer |
| DM8123W | 2-Input Digital Multiplexer |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM-810A | 功能描述:數字萬用表 DMM,TRMS 1000V AC/DC 600mA to 10A RoHS:否 制造商:Tektronix 產品:Multimeters 類型:Bench 準確性:0.04 % 電壓范圍:2 V to 2 kV 電阻范圍: 電容范圍: 顯示計數: 頻率:10 Hz to 45 Hz, 850 Hz to 1 MHz 測距: 真均方根值: 數據保持: |
| DM-810A-C | 功能描述:數字萬用表 DMM,TRMS 1000V AC/DC 600mA to 10A, CALIB RoHS:否 制造商:Tektronix 產品:Multimeters 類型:Bench 準確性:0.04 % 電壓范圍:2 V to 2 kV 電阻范圍: 電容范圍: 顯示計數: 頻率:10 Hz to 45 Hz, 850 Hz to 1 MHz 測距: 真均方根值: 數據保持: |
| DM8121J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Input Digital Multiplexer |
| DM8121N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Input Digital Multiplexer |
| DM8121N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Input Digital Multiplexer |
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