- 您現在的位置：買賣IC網 > PDF目錄369886 > LXT9883HC LAN HUB CONTROLLER PDF資料下載
參數資料
| 型號： | LXT9883HC |
| 英文描述： | LAN HUB CONTROLLER |
| 中文描述： | 局域網集線器控制器 |
| 文件頁數： | 1/96頁 |
| 文件大小： | 1309K |
| 代理商： | LXT9883HC |
當前第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁
LXT980/980A Dual-Speed, 5-Port Fast
Ethernet Repeater
Datasheet
General Description
The LXT980 is a 5-port 10/100 Class II Repeater that is fully compliant with IEEE 802.3
standards. Four ports directly support either 100BASE-TX/10BASE-T copper media or
100BASE-FX fiber media via pseudo-ECL (PECL) interfaces. The fifth port, a 10 or 100 Mbps
Media Independent Interface (MII), connects to Media Access Controllers (MACs) for bridge/
switch applications. At 100 Mbps, the MII can also be configured to interface to another PHY
device, such as the LXT970. This data sheet applies to all LXT980 products (LXT980,
LXT980A, and any subsequent variants), except as specifically noted.
The LXT980 provides auto-negotiation with parallel detection for the four PHY ports. These
ports can also be manually configured, either by hardware or software. The LXT980 provides
two internal repeater state machines—one operating at 10 Mbps and one at 100 Mbps. Once
configured, the LXT980 automatically connects each port to the appropriate repeater.
The LXT980 also provides two Inter-Repeater Backplanes (IRBs) for expansion — one
operating at 10 Mbps and one at 100 Mbps. Up to 240 ports can logically be combined into one
repeater using these buses. The LXT980 supports SNMP and RMON management via on-chip
32- and 64-bit counters. The counters and control information are accessible via a high-speed
Serial Management Interface (SMI). The device supports two Source Address Tracking registers
per port and a Source Address Matching Function.
Product Features
I
Four 10/100 ports with complete twisted-
pair PHYs including integrated filters and
100BASE-FX PECL interfaces.
I
10/100 MII port connection to either MAC
or PHY.
I
Independent segments for 10 and 100 Mbps
operation.
I
Cascadable Inter-Repeater Backplanes
(IRBs).
I
Hardware assist for RMON and the
Repeater MIB.
I
High-speed Serial Management Interface
(SMI).
I
Two address-tracking registers per port.
I
Source Address matching function.
I
Integrated LED drivers with user-selectable
modes.
I
Available in 208-pin QFP package.
I
Case temperature range: 0-115
°
C.
As of January 15, 2001, this document replaces the Level One document
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
.
Order Number: 249111-001
January 2001
相關PDF資料 |
PDF描述 |
|---|---|
| LZ1030M | Common Anode Diode Array |
| LZ1032AD | Interface IC |
| LZ1032AM | Interface IC |
| LZ1032AR | Interface IC |
| LZ1132BD | Interface IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LXTON/H0 | 制造商:Red Lion Controls 功能描述:ANNUN LABELS, 1 LPAX LABEL: TON/H 制造商:Red Lion Controls 功能描述:1 LPAX LABEL TON/H |
| LXTON000 | 制造商:Red Lion Controls 功能描述:ANNUNCIATOR LABELS,1 LPAX LABEL: TON 制造商:Red Lion Controls 功能描述:1 LPAX LABEL TON |
| LXU/MIN0 | 制造商:Red Lion Controls 功能描述:ANNUN LABELS, 1 LPAX LABEL: U/MIN 制造商:Red Lion Controls 功能描述:1 LPAX LABEL U/MIN |
| LXUA0000 | 制造商:Red Lion Controls 功能描述:ANNUNCIATOR LABELS, 1 LPAX LABEL: UA 制造商:Red Lion Controls 功能描述:1 LPAX LABEL UA |
| LXV00000 | 制造商:Red Lion Controls 功能描述:ANNUNCIATOR LABELS, 1 LPAX LABEL: V 制造商:Red Lion Controls 功能描述:1 LPAX LABEL V |
發布緊急采購，3分鐘左右您將得到回復。