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参数资料
| 型号： | KSZ8031RNLI TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/43页 |
| 文件大小： | 0K |
| 描述： | TXRX PHY 10/100 3.3V 24-QFN |
| 标准包装： | 1 |
| 类型： | PHY 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RMII |
| 电源电压： | 1.8V，2.5V，3.3V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN（4x4） |
| 包装： | 标准包装 |
| 其它名称： | 576-3900-6 |
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KSZ8021RNL / KSZ8031RNL
10Base-T/100Base-TX PHY
with RMII 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
August 2010
M9999-082710-1.0
General Description
The KSZ8031RNL is a single-supply 10Base-T/100Base-
TX Ethernet physical layer transceiver for transmission
and reception of data over standard CAT-5 unshielded
twisted pair (UTP) cable.
The KSZ8031RNL is a highly-integrated, compact solution.
It reduces board cost and simplifies board layout by using
on-chip termination resistors for the differential pairs, by
integrating a low noise regulator to supply the 1.2V core,
and by offering 1.8/2.5/3.3V digital I/O interface support.
The KSZ8031RNL offers the Reduced Media Independent
Interface (RMII) for direct connection to RMII-compliant
MACs in Ethernet processors and switches.
As the power-up default, the KSZ8031RNL uses a 25MHz
crystal to generate all required clocks, including the
50MHz RMII reference clock output for the MAC. The
KSZ8021RNL is the version that takes in the 50MHz RMII
reference clock as the power-up default.
To facilitate system bring-up and debugging in production
testing and in product deployment, parametric NAND tree
support enables fault detection between KSZ8031RNL
I/Os and board, while Micrel’s LinkMD
TDR-based cable
diagnostics permit identification of faulty copper cabling.
The KSZ8031RNL and KSZ8021RNL are available in 24-
pin, lead-free QFN packages (see Ordering Information).
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Single-chip 10Base-T/100Base-TX IEEE 802.3
compliant Ethernet Transceiver
RMII v1.2 Interface support with 50MHz reference clock
output to MAC, and option to input 50MHz reference
clock
RMII back-to-back mode support for 100Mbps copper
repeater or media converter
MDC/MDIO Management Interface for PHY register
configuration
Programmable interrupt output
LED outputs for link and activity status indication
On-chip termination resistors for the differential pairs
Baseline Wander Correction
HP Auto MDI/MDI-X for reliable detection and
correction for straight-through and crossover cables
with disable and enable option
Auto-negotiation to automatically select the highest link-
up speed (10/100 Mbps) and duplex (half/full)
Power down and power saving modes
LinkMD TDR-based cable diagnostics for identification
of faulty copper cabling
Parametric NAND Tree support for fault detection
between chip I/Os and board
____________________________________________________________________________________________________________
Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| KSZ8031RNL-TR | 功能描述:1/1 Transceiver Full RMII 24-QFN (4x4) 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:过期 类型:收发器 协议:RMII 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:1.8V，2.5V，3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商器件封装:24-QFN（4x4） 标准包装:1 |
| KSZ8041FTL | 功能描述:以太网 IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8041FTL TR | 功能描述:以太网 IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| KSZ8041FTL-EVAL | 功能描述:以太网开发工具 KSZ8041FTL Evaluation Board RoHS:否 制造商:Micrel 产品:Evaluation Boards 类型:Ethernet Transceivers 工具用于评估:KSZ8873RLL 接口类型:RMII 工作电源电压: |
| KSZ8041FTLI | 功能描述:以太网 IC Physical Layer Transceiver 10/100BASE-FX (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
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