Datasheet > KSZ8021RNLI

KSZ8021RNLI

更新时间： 2024-09-15 17:01:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		以太网：16GBASE-T 电信电信集成电路
页数	文件大小	规格书
43页	574K
描述
Ethernet Transceiver, 1-Trnsvr, 4 X 4 MM, LEAD FREE, QFN-24

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KSZ8021RNLI 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	HVQCCN, LCC24,.16SQ,20	针数：	24
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.66	数据速率：	100000 Mbps
JESD-30 代码：	S-XQCC-N24	长度：	4 mm
功能数量：	1	端子数量：	24
收发器数量：	1	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC24,.16SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	3.3 V
认证状态：	Not Qualified	座面最大高度：	0.9 mm
子类别：	Network Interfaces	标称供电电压：	1.2 V
表面贴装：	YES	电信集成电路类型：	ETHERNET TRANSCEIVER
温度等级：	INDUSTRIAL	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	4 mm
Base Number Matches：	1

KSZ8021RNLI 数据手册

KSZ8021RNL / KSZ8031RNL

10Base-T/100Base-TX PHY

with RMII Support

General Description

Features

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.

• 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

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.

• RMII back-to-back mode support for 100Mbps copper

repeater or media converter

• MDC/MDIO Management Interface for PHY register

configuration

The KSZ8031RNL offers the Reduced Media Independent

Interface (RMII) for direct connection to RMII-compliant

MACs in Ethernet processors and switches.

• 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

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.

• 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

The KSZ8031RNL and KSZ8021RNL are available in 24-

pin, lead-free QFN packages (see Ordering Information).

• Parametric NAND Tree support for fault detection

between chip I/Os and board

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

____________________________________________________________________________________________________________

Functional Diagram

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

12 3 4 5 6 7...43

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与KSZ8021RNLI相关器件

型号	品牌	获取价格	描述	数据表
KSZ8031RNL	MICREL	获取价格	Ethernet Transceiver, 1-Trnsvr, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNL	MICROCHIP	获取价格	Ethernet Transceiver, 1-Trnsvr, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNLI	MICROCHIP	获取价格	Ethernet Transceiver, 1-Trnsvr, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNLITR	MICREL	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC24, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNLITR	MICROCHIP	获取价格	DATACOM, ETHERNET TRANSCEIVER, QCC24, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNLI-TR	MICROCHIP	获取价格	Ethernet Transceiver, 4 X 4 MM, LEAD FREE, QFN-24
KSZ8031RNL-TR	MICROCHIP	获取价格	IC TXRX ETHERNET 24QFN
KSZ8041	MICROCHIP	获取价格	KSZ8041 Silicon Errata and Data Sheet Clarification
KSZ8041FTL	MICREL	获取价格	10Base-T/100Base-TX/100Base-FX Physical Layer Transceiver
KSZ8041FTL	MICROCHIP	获取价格	KSZ8041 Silicon Errata and Data Sheet Clarification

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