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TSB17BA1 PDF预览

TSB17BA1

更新时间: 2024-10-31 21:54:27
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
15页 216K
描述
IEEE STD 1394b SINGLE-PORT CABLE TRANSCEIVER

TSB17BA1 数据手册

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ꢀꢁ ꢂ ꢃꢄ ꢂꢅ ꢃ  
ꢆꢇ ꢇꢇ ꢁꢀ ꢈ ꢃ ꢉ ꢊ ꢋ ꢌ ꢁꢆ ꢍꢎ ꢏ ꢇꢐꢑꢒ ꢓꢀ ꢔꢅꢂ ꢏꢇ ꢀ ꢓꢅꢍꢁ ꢔꢇ ꢆ ꢕꢇ ꢓ  
SLLS568C − JANUARY 2004 − REVISED MARCH 2004  
D
D
Fully Supports Provisions of IEEE Std  
1394b-2002 at S100B Signaling Rates  
D
D
D
Single 3.3-V Supply Operation or Optional  
Dual 3.3-V/1.8-V Supply Operation  
Provides One Transceiver to Drive IEEE Std  
1394b Signaling Across Unshielded  
Twisted Pair Category 5 (UTP5 or CAT5)  
Cable or Better at 100 Megabits per Second  
(Mbits/s)  
Low-Cost High-Performance 24-Terminal  
TSSOP Package  
Low-Power Modes to Put Device Into Low  
Power States When Data Is Not Being  
Driven  
D
Power-Down Features to Conserve Energy  
in Battery Powered Applications  
description  
The TSB17BA1 is a single-port 100-Mbps transceiver used in transporting IEEE Std 1394b (1394b) or other  
coded data across CAT5 or better cabling. It is attached to a 1394b-capable port on a 1394b physical layer (PHY)  
to enable 1394b 100-Mbps signals to be transmitted and received across up to 100 meters of unshielded  
twisted-pair category 5 (UTP5) cable. Equalization is applied to the signal received from the UTP5 cable to boost  
signal-to-noise ratio (SNR) to allow sensing of the data. A 1394b PHY device capable of transmitting at only  
100 Mbits/s in 1394b-only mode is required for correct functionality. This PHY must be connected to the  
TSB17BA1 at one of the twisted-pair (TP) ports, with the 110-1394b transmission line properly terminated.  
The TSB17BA1 must then be connected to a 100-transmission line properly terminated and connected to an  
isolating transformer. This transformer is then connected to an RJ45 connector. All of the parameters on the  
UTP5 side of the TSB17BA1 are set the same as 100baseT Ethernet. This allows the mechanical and magnetic  
infrastructure, which is used to design a 100baseT connection, to be used when designing a 100-Mbits/s UTP5  
1394b connection. This device does not implement the autocrossover functionality described in chapter 12 of  
IEEE Std 1394b-2002. This means the required crossover of TPA to TPB and TPB to TPA must be done in the  
cable or connector or PWB; in other words, a mechanical crossover must be implemented (see the Application  
Information section).  
terminal assignments  
PW PACKAGE  
(TOP VIEW)  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
E_OUT  
E_INN  
E_INP  
VREG_PD  
VCONTROL  
R1  
2
3
4
VSS33  
R0  
5
BETA_OUTP  
BETA_OUTN  
VDD33  
UTP5_INP  
UTP5_INN  
VDDCORE  
UTP5_OUTP  
UTP5_OUTN  
VSSCORE  
TEST3  
6
7
8
BETA_INP  
BETA_INN  
PD_SE  
9
10  
11  
12  
TEST0  
TEST1  
TEST2  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Implements technology covered by one or more patents of Apple Computer, Inc. and SGS Thompson, Limited.  
ꢀꢢ  
Copyright 2004, Texas Instruments Incorporated  
ꢞ ꢢ ꢟ ꢞꢗ ꢘꢫ ꢚꢙ ꢝ ꢤꢤ ꢣꢝ ꢛ ꢝ ꢜ ꢢ ꢞ ꢢ ꢛ ꢟ ꢦ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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