NLXT901APCE2 datasheet, PDF - EEWORLD Datasheet

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NLXT901APCE2: DescriptionEthernet Transceiver, PQCC44, PLASTIC, LCC-44; CategoryWireless rf/communication Telecom circuit; File Size622KB，48 Pages; ManufacturerCortina Systems Inc

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NLXT901APCE2 Overview

Ethernet Transceiver, PQCC44, PLASTIC, LCC-44

NLXT901APCE2 Parametric

Parameter Name	Attribute value
Maker	Cortina Systems Inc
Parts packaging code	LCC
package instruction	QCCJ,
Contacts	44
Reach Compliance Code	unknown
JESD-30 code	S-PQCC-J44
length	16.585 mm
Number of functions	1
Number of terminals	44
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	QCCJ
Package shape	SQUARE
Package form	CHIP CARRIER
Certification status	Not Qualified
Maximum seat height	4.572 mm
Nominal supply voltage	3.3 V
surface mount	YES
Telecom integrated circuit types	ETHERNET TRANSCEIVER
Temperature level	COMMERCIAL
Terminal form	J BEND
Terminal pitch	1.27 mm
Terminal location	QUAD
width	16.585 mm

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Intel

LXT901A/907A Universal 3.3 V

Ethernet Transceiver

Datasheet

The Intel

LXT901A and LXT907A Transceivers (called hereafter the LXT901A/907A

Transceivers) are new generation Universal Ethernet Transceivers with improved noise

immunity and output filtering. The feature set of the LXT901A/907A has been streamlined,

removing Remote Signaling capabilities. The LXT901A and LXT907A provide all the active

circuitry to interface most standard IEEE 802.3 controllers to either the 10BASE-T media or

Attachment Unit Interface (AUI).

The LXT901A and LXT907A Transceivers are identical except for the function of one pin. The

LXT901A Transceiver, with selectable termination impedance, allows the use of either shielded

or unshielded twisted-pair cable. The LXT907A Transceiver offers a Signal Quality Error

Disable (DSQE) function.

The LXT901A/907A Transceivers functions include Manchester encoding/decoding, receiver

squelch and transmit pulse shaping, jabber, link testing, and reversed polarity detection/

correction.

Applications

■

Access devices (DSL, Cable Modems, and

Set-top Boxes)

Routers/Bridges/Switches/Hubs

■

Telecom Backplane

USB to Ethernet Converters

Product Features

Functional Features

■

Convenience Features

■

Integrated Filters - Simplify FCC

Compliance

Integrated Manchester Encoder/Decoder

10BASE-T Transceiver

AUI Transceiver

Full-Duplex Capable (20 Mbps)

Diagnostic Features

■

Four LED Drivers

AUI/RJ-45 Loopback

Automatic/Manual AUI/RJ-45 Selection

Automatic Polarity Correction

SQE Disable function (LXT907A

Transceiver)

Programmable Impedance Driver

(LXT901A

Transceiver)

Single 3.3V operation

Power-Down Mode and four loopback

modes

Available in 64-pin LQFP and 44-pin

PLCC packages

Commercial (0 to +70

Order Number: 249098-003

27-Nov-2005

INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY

ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN

INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS

ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES

RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER

INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or

in nuclear facility applications.

Intel may make changes to specifications and product descriptions at any time, without notice.

Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the

presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by

estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights.

The Intel

LXT901A/907A Universal 3.3 V Ethernet Transceiver may contain design defects or errors known as errata which may cause the product to

deviate from published specifications. Current characterized errata are available on request.

Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.

Copies of documents which have an order number and are referenced in this document, or other Intel literature may be obtained by calling

1-800-548-4725 or by visiting Intel's website at

http://www.intel.com.

Intel and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

*Other names and brands may be claimed as the property of others.

Datasheet

Document Number: 249098

Revision Number: 003

Revision Date: 27-Nov-2005

Contents

1.0

2.0

Pin Assignments and Signal Descriptions

....................................................................8

Functional Description

.................................................................................................. 12

2.1

2.2

Controller Compatibility Modes ........................................................................... 12

Transmit Function................................................................................................ 13

2.2.1 Jabber Control Function .........................................................................13

2.2.2 SQE Function ......................................................................................... 14

2.2.2.1 SQE Disable Function (LXT907A Transceiver only) ................. 14

Receive Function.................................................................................................15

2.3.1 Polarity Reverse Function ...................................................................... 15

2.3.2 Collision Detection Function ................................................................... 16

Loopback Functions ............................................................................................17

2.4.1 Standard TP Loopback........................................................................... 17

2.4.2 Forced TP Loopback ..............................................................................17

2.4.3 AUI Loopback......................................................................................... 17

2.4.4 External Loopback.................................................................................. 17

Link Integrity Test Function ................................................................................. 17

Link Pulse Transmission .....................................................................................19

2.3

2.4

2.5

2.6

3.0

Application Information

.................................................................................................19

3.1

3.2

3.3

3.4

Twisted-Pair Impedance Matching ...................................................................... 19

Crystal Information .............................................................................................. 19

Magnetics Information ......................................................................................... 19

Typical Applications............................................................................................. 20

3.4.1 Auto Port Select with External Loopback Control................................... 20

3.4.2 Full-Duplex Support................................................................................ 22

3.4.3 Dual Network Support - 10Base-T and Token Ring ............................... 23

3.4.4 Manual Port Select with Link Test Function ........................................... 24

3.4.5 Three Media Application.........................................................................26

3.4.6 AUI Encoder/Decoder Only .................................................................... 27

3.4.7 150W Shielded Twisted-Pair Only (LXT901A Transceiver only) ............ 28

4.0

Test Specifications.........................................................................................................

4.1

4.2

4.3

4.4

Timing Diagrams for Mode 1 (MD1 = Low, MD0 = Low)

Figures 17

............ 33

Timing Diagrams for Mode 2 (MD1 = Low, MD0 = High)

Figures 23

........... 35

Timing Diagrams for Mode 3 (MD1 = High, MD0 = Low)

Figures 29

........... 37

Timing Diagrams for Mode 4 (MD1 = High, MD0 = High)

Figures 37

.......... 40

5.0

Mechanical Specifications.............................................................................................

5.1

Top-Label Marking .............................................................................................. 44

6.0

Ordering Information

..................................................................................................... 47

Datasheet

Document Number: 249098

Revision Number: 003

Revision Date: 27-Nov-2005

Contents

Figures

Intel

LXT901A/907A Transceiver Block Diagram................................................ 7

Intel

LXT901A and LXT907A Transceiver Pin Assignments .............................. 8

TPO Output Waveform ....................................................................................... 13

Jabber Control Function ..................................................................................... 14

SQE Function ..................................................................................................... 15

Collision Detection Function ............................................................................... 16

Link Integrity Test Function ................................................................................ 18

Transmitted Link Integrity Pulse Timing ............................................................. 19

LAN Adapter Board - Auto Port Select with External LPBK Control .................. 21

Full-Duplex Operation ........................................................................................ 22

380C26 Interface for Dual Network Support of 10BASE-T and Token Ring ...... 23

LAN Adapter Board - Manual Port Select with Link Test Function...................... 24

Manual Port Select with Seeq 8005 Controller .................................................. 25

Three Media Application .................................................................................... 26

AUI Encoder/Decoder Only Application ............................................................. 27

150 W Shielded Twisted-Pair Only Application (LXT901A Transceiver ) ........... 28

Mode 1 RCLK/Start-of-Frame Timing ................................................................ 33

Mode 1 RCLK/End-of-Frame Timing .................................................................. 33

Mode 1 Transmit Timing .................................................................................... 34

Mode 1 Collision Detect Timing ......................................................................... 34

Mode 1 COL/CI Output Timing ........................................................................... 34

Mode 1 Loopback Timing ................................................................................... 34

Mode 2 RCLK/Start-of-Frame Timing ................................................................ 35

Mode 2 RCLK/End-of-Frame Timing .................................................................. 35

Mode 2 Transmit Timing .................................................................................... 36

Mode 2 Collision Detect Timing ......................................................................... 36

Mode 2 COL/CI Output Timing ........................................................................... 36

Mode 2 Loopback Timing ................................................................................... 36

Mode 3 RCLK/Start-of-Frame Timing (LXT901A Transceiver) .......................... 37

Mode 3 RCLK/End-of-Frame Timing (LXT901A Transceiver) ........................... 37

Mode 3 RCLK/Start-of-Frame Timing (LXT907A Transceiver) .......................... 38

Mode 3 RCLK/End-of-Frame Timing (LXT907A Transceiver) ........................... 38

Mode 3 Transmit Timing .................................................................................... 39

Mode 3 Collision Detect Timing .......................................................................... 39

Mode 3 COL/CI Output Timing ........................................................................... 39

Mode 3 Loopback Timing ................................................................................... 39

Mode 4 RCLK/Start-of-Frame Timing ................................................................. 40

Mode 4 RCLK/End-of-Frame Timing .................................................................. 40

Mode 4 Transmit Timing .................................................................................... 41

Mode 4 Collision Detect Timing ......................................................................... 41

Mode 4 COL/CI Output Timing ........................................................................... 41

Mode 4 Loopback Timing ................................................................................... 41

44-Pin PLCC ....................................................................................................... 42

64-Pin LQFP ...................................................................................................... 43

Sample LQFP Package – Intel

DJLXT901ALC Transceiver ............................. 44

Sample Pb-Free (RoHS-Compliant) LQFP Package –

Intel

WJLXT901ALC Transceiver ...................................................................... 44

Sample TQFP Package – Intel

DJLXT907ALC Transceiver ............................. 45

Datasheet

Document Number: 249098

Revision Number: 003

Revision Date: 27-Nov-2005

Contents

Sample Pb-Free (RoHS-Compliant) TQFP Package –

Intel

WJLXT907ALC Transceiver ...................................................................... 45

Sample PLCC Package – Intel

NLXT90xAPC Transceiver............................... 46

Sample Pb-Free (RoHS-Compliant) PLCC Package –

Intel

EELXT90xAPC Transceiver ...................................................................... 46

Ordering Information Matrix – Sample ................................................................ 48

Tables

Signal Descriptions................................................................................................ 9

Controller Compatibility Modes ........................................................................... 12

Suitable Crystals .................................................................................................19

Absolute Maximum Values.................................................................................. 29

Recommended Operating Conditions ................................................................. 29

I/O Electrical Characteristics ............................................................................... 29

AUI Electrical Characteristics ..............................................................................30

TP Electrical Characteristics ............................................................................... 30

Switching Characteristics .................................................................................... 31

RCLK/Start-of-Frame Timing............................................................................... 31

RCLK/End-of-Frame Timing................................................................................ 32

Transmit Timing................................................................................................... 32

Collision, COL/CI Output and Loopback Timing.................................................. 32

Product Information ............................................................................................. 47

Datasheet

Document Number: 249098

Revision Number: 003

Revision Date: 27-Nov-2005

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