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參數(shù)資料
| 型號： | KSZ9021GN TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/53頁 |
| 文件大?。?/td> | 0K |
| 描述： | TXRX ETHERNET GB GMII/MII 64MLF |
| 標準包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 8/8 |
| 規(guī)程： | 千兆位以太網(wǎng) |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 64-QFN（8x8） |
| 包裝： | 帶卷 (TR) |
| 配用： | 576-3873-ND - BOARD EVALUATION FOR KSZ9021GN |
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KSZ9021GN
Gigabit Ethernet Transceiver
with GMII / MII Support
LinkMD is a registered trademark of Micrel, Inc.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
September 2010
M9999-091010-1.1
General Description
The KSZ9021GN is a completely integrated triple speed
(10Base-T/100Base-TX/1000Base-T) Ethernet Physical
Layer Transceiver for transmission and reception of data
on standard CAT-5 unshielded twisted pair (UTP) cable.
The KSZ9021GN provides the industry standard GMII/MII
(Gigabit Media Independent Interface / Media Independent
Interface) for connection to GMII/MII MACs in Gigabit
Ethernet Processors and Switches for data transfer at
1000 Mbps or 10/100Mbps speed.
The KSZ9021GN reduces board cost and simplifies board
layout by using on-chip termination resistors for the four
differential pairs and by integrating a LDO controller to
drive a low cost MOSFET to supply the 1.2V core.
The KSZ9021GN provides diagnostic features to facilitate
system bring-up and debugging in production testing and
in product deployment. Parametric NAND tree support
enables fault detection between KSZ9021 I/Os and board.
Micrel LinkMD
TDR-based cable diagnostics permit
identification of faulty copper cabling. Remote and local
loopback functions provide verification of analog and
digital data paths.
The KSZ9021GN is available in a 64-pin, lead-free QFN
package (See Ordering Information).
Features
Single-chip 10/100/1000Mbps IEEE 802.3 compliant
Ethernet Transceiver
GMII/MII standard compliant interface
Auto-negotiation to automatically select the highest link
up speed (10/100/100Mbps) and duplex (half/full)
On-chip termination resistors for the differential pairs
On-chip LDO controller to support single 3.3V supply
operation – requires only external FET to generate 1.2V
for the core
Jumbo frame support up to 16KB
125MHz Reference Clock Output
Programmable LED outputs for link, activity and speed
Baseline Wander Correction
LinkMD TDR-based cable diagnostics for identification
of faulty copper cabling
Parametric NAND Tree support for fault detection
between chip I/Os and board.
Loopback modes for diagnostics
Automatic MDI/MDI-X crossover for detection and
correction of pair swap at all speeds of operation
____________________________________________________________________________________________________________
Functional Diagram
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CONNECT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ9021GQ | 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver with GMII/MII, Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ9021GQI | 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver w/ GMII/MII, I-Temp RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ9021RL | 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver with GMII RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ9021RL-EVAL | 制造商:Micrel Inc 功能描述:GIGABIT ETHERNET TRANSCEIVER W 制造商:Micrel Inc 功能描述:KIT EVALUATION FOR KSZ9021RL |
| KSZ9021RLI | 功能描述:以太網(wǎng) IC Gigabit Ethernet Transceiver with RGMII, I-Temp RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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