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TNETE211PNR

更新时间： 2024-11-23 13:14:51
品牌 Logo 应用领域
德州仪器 - TI 局域网
页数 文件大小 规格书
15页 215K
描述
DATACOM, INTERFACE CIRCUIT, PQFP80, PLASTIC, QFP-80

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TNETE211PNR 技术参数

生命周期：Obsolete零件包装代码：QFP
包装说明：LFQFP,针数：80
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.84JESD-30 代码：S-PQFP-G80
长度：12 mm功能数量：1
端子数量：80最高工作温度：70 °C
最低工作温度：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认证状态：Not Qualified
座面最大高度：1.6 mm标称供电电压：5 V
表面贴装：YES技术：CMOS
电信集成电路类型：INTERFACE CIRCUIT温度等级：COMMERCIAL
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD宽度：12 mm
Base Number Matches：1

TNETE211PNR 数据手册

 浏览型号TNETE211PNR的Datasheet PDF文件第2页浏览型号TNETE211PNR的Datasheet PDF文件第3页浏览型号TNETE211PNR的Datasheet PDF文件第4页浏览型号TNETE211PNR的Datasheet PDF文件第5页浏览型号TNETE211PNR的Datasheet PDF文件第6页浏览型号TNETE211PNR的Datasheet PDF文件第7页 
TNETE211  
ThunderLAN TO IEEE 802.12 PHYSICAL MEDIA DEPENDENT INTERFACE FOR  
100VG-AnyLAN  
SPWS019 – MAY 1995  
The PCI Local Bus Specification, Revision 2.0,  
should be used as a reference with this  
document.  
Supports Packet Data Transmission and  
Reception by Providing a 4-Channel Stream  
Structure at the MII  
The TNETE211 Interfaces the ThunderLAN  
(TNETE100) Media Independent Interface  
(MII) to a 100VG-AnyLAN IEEE 802.12  
Physical Media Dependent (PMD) Interface  
Device  
Supports Power Management With  
Microsoft Advanced Power Management  
†
IEEE Standard 1149.1 Test-Access Port  
(JTAG)  
Single 5-V Supply  
0.8-µm CMOS Technology  
Single Consistent Driver Interface for  
100VG Architectures  
PCMCIA-Compatible, Small-Footprint  
Surface-Mount Package  
Industry-Standard Interface to Multiple  
IEEE 802.12-Compliant PMD Devices  
80-Pin JEDEC Plastic Quad Flatpack  
(PN Suffix)  
Supports the Control Signaling Between  
the Medium Access Control (MAC) or  
Repeater MAC (RMAC) and the PMD Device  
Operating Temperature Range:  
0 C to 70 C  
TNETE211  
Physical Media  
100VG-  
TNETE100  
ThunderLAN  
Physical Media  
Independent  
(PMI) Device  
PCI  
Bus  
Dependent Device  
AnyLAN  
(PMD)  
Figure 1. Typical Application  
description  
The TNETE211 interfaces the ThunderLAN TNETE100’s IEEE 802.3u media independent interface to an  
IEEE 802.12 physical media-dependent device for 100VG-AnyLAN operation. The TNETE211 is responsible  
for quartet channeling, scrambling the transmission data into five-bit data quintets, and encoding the resulting  
quintets into six-bit (5B6B) symbols. The TNETE211 also adds the preamble, start-frame delimiter, and  
end-frame delimiter to each channel.  
Quartet channeling refers to the process of dividing the MAC frame data octets into five-bit data quintets and  
alloting them sequentially among the four transmission pair channels. The data scrambler alters the five-bit  
quintet into a randomized bit pattern which is helpful in reducing radio-frequency interference and signal cross  
talk between channels. The 5B6B symbol encoding transforms the five-bit randomized pattern into  
predetermined six-bit symbols. This provides a balanced data pattern with an equal number of zeroes and ones  
for clock transition synchronization for receive circuitry. This symbol encoding also has the added benefit of  
being an error-checking mechanism.  
Compliant with IEEE Standard 1149.1-1990 (JTAG), the TNETE211 provides a five-pin test-access port that is  
used for boundary-scan testing.  
The TNETE211 is available in an 80-pin plastic quad flat package.  
†
IEEE Standard 1149.1–1990, IEEE Standard Test Access Port and Boundary-Scan Architecture  
ThunderLAN is a trademark of Texas Instruments Incorporated.  
Microsoft is a trademark of Microsoft Corporation.  
Copyright 1995, Texas Instruments Incorporated  
ADVANCE INFORMATION concerns new products in the sampling or  
preproduction phase of development. Characteristic data and other  
specifications are subject to change without notice.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443  
1234567...15

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