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KSZ8721BLITR PDF预览

KSZ8721BLITR

更新时间: 2024-11-14 12:59:23
品牌 Logo 应用领域
麦瑞 - MICREL 局域网(LAN)标准
页数 文件大小 规格书
32页 201K
描述
DATACOM, ETHERNET TRANSCEIVER, PQFP48, LEAD FREE, LQFP-48

KSZ8721BLITR 技术参数

生命周期:Transferred零件包装代码:QFP
包装说明:LFQFP,针数:48
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.31Is Samacsys:N
JESD-30 代码:S-PQFP-G48JESD-609代码:e3
长度:7 mm功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.6 mm
标称供电电压:2.5 V表面贴装:YES
技术:CMOS电信集成电路类型:ETHERNET TRANSCEIVER
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING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:7 mmBase Number Matches:1

KSZ8721BLITR 数据手册

 浏览型号KSZ8721BLITR的Datasheet PDF文件第2页浏览型号KSZ8721BLITR的Datasheet PDF文件第3页浏览型号KSZ8721BLITR的Datasheet PDF文件第4页浏览型号KSZ8721BLITR的Datasheet PDF文件第5页浏览型号KSZ8721BLITR的Datasheet PDF文件第6页浏览型号KSZ8721BLITR的Datasheet PDF文件第7页 
KS8721B/BT  
2.5V 10/100BasTX/FX MII Physical Layer Transceiver  
Rev. 2.2  
General Description  
Features  
Operating at 2.5 volts to meet low voltage and low power  
requirements, the KS8721B/BT is a 10BaseT/100BaseTX/  
FX Physical Layer Transceiver, which provides an MII to  
transmit and receive data. It contains the 10BaseT Physical  
Medium Attachment (PMA), Physical Medium Dependent  
(PMD), and Physical Coding Sub-layer (PCS) functions.  
Moreover, the KS8721B/BT has on-chip 10BaseT output  
filtering, which eliminates the need for external filters and  
allows a single set of line magnetics to be used to meet  
requirements for both 100BaseTX and 10BaseT.  
• Single chip 100BaseTX/100BaseFX/10BaseT physical  
layer solution  
• 2.5V CMOS design, power consumption <200mW  
(excluding output driver current )  
• Fully compliant to IEEE 802.3u standard  
• Supports Media Independent Interface (MII) and  
Reduced MII (RMII)  
• Supports 10BaseT, 100BaseTX and 100BaseFX with  
Far_End_Fault Detection  
• Supports power down mode and power saving mode  
• Configurable through MII serial management ports or via  
external control pins  
• Supports auto-negotiation and manual selection for  
10/100Mbps speed and full/half-duplex mode  
• On-chip built-in analog front end filtering for both  
100BaseTX and 10BaseT  
TheKS8721B/BTcanautomaticallyconfigureitselffor100or  
10Mbpsandfullorhalfduplexoperation, usingon-chipAuto-  
Negotiation algorithm. It is an ideal choice of physical layer  
transceiver for 100BaseTX/10BaseT applications.  
Data sheets and support documentation can be found on  
Micrel’s web site at www.micrel.com.  
Functional Diagram  
4B/5B Encoder  
NRZ/NRZI  
MLT3 Encoder  
TXD3  
TXD2  
TXD1  
TXD0  
TXER  
TXC  
Scrambler  
10/100  
Pulse  
Shaper  
TX+  
TX-  
Parallel/Serial  
Transmitter  
Parallel/Serial  
Manchester Encoder  
TXEN  
CRS  
COL  
MII/RMII  
Registers  
and  
Controller  
Interface  
Adaptive EQ  
RX+  
RX-  
Base Line  
Wander Correction  
MLT3 Decoder  
NRZI/NRZ  
4B/5B Decoder  
Descrambler  
Clock  
Recovery  
MDIO  
MDC  
RXD3  
RXD2  
RXD1  
RXD0  
RXER  
RXDV  
RXC  
Serial/Parallel  
Auto  
Negotiation  
10BaseT  
Receiver  
Manchester Decoder  
Serial/Parallel  
Power  
Down or  
Saving  
LINK  
COL  
FDX  
SPD  
LED  
Driver  
XI  
PLL  
XO  
PWRDWN  
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com  
August 2003  
1
KS8721B/BT  

KSZ8721BLITR 替代型号

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