LAN8720A-CP-TR datasheet, PDF - EEWORLD Datasheet

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LAN8720A-CP-TR: DescriptionPHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin VQFN EP T/R; File Size570KB，79 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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LAN8720A-CP-TR Overview

PHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin VQFN EP T/R

LAN8720A-CP-TR Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	5A991
Part Status	Active
HTS	8542.39.00.01
Number of Channels per Chip	1
Maximum Data Rate	100Mbps
PHY Line Side Interface	No
JTAG Support	No
Integrated CDR	No
Standard Supported	10BASE-T\|100BASE-TX\|IEEE 802.3
Process Technology	CMOS
Typical Data Rate (Mbps)	10/100
Ethernet Speed	10Mbps/100Mbps
Ethernet Interface Type	MII/RMII
Minimum Operating Supply Voltage (V)	1.14\|2.25\|3
Typical Operating Supply Voltage (V)	2.5\|3.3
Maximum Operating Supply Voltage (V)	1.26\|3.6
Power Supply Type	Analog\|Digital
Minimum Operating Temperature (°C)	0
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Extended Commercial
Packaging	Tape and Reel
Pin Count	24
Standard Package Name	QFN
Supplier Package	VQFN EP
Mounting	Surface Mount
Package Height	0.83
Package Length	4
Package Width	4
PCB changed	24
Lead Shape	No Lead

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LAN8720A/LAN8720Ai

Small Footprint RMII 10/100 Ethernet

Transceiver with HP Auto-MDIX Support

PRODUCT FEATURES

Highlights

Single-Chip Ethernet Physical Layer Transceiver

(PHY)

Comprehensive flexPWR

Technology

— Flexible Power Management Architecture

— LVCMOS Variable I/O voltage range: +1.6V to +3.6V

— Integrated 1.2V regulator

Datasheet

Key Benefits

High-Performance 10/100 Ethernet Transceiver

—

Compliant with IEEE802.3/802.3u (Fast Ethernet)

Compliant with ISO 802-3/IEEE 802.3 (10BASE-T)

Loop-back modes

Auto-negotiation

Automatic polarity detection and correction

Link status change wake-up detection

Vendor specific register functions

Supports the reduced pin count RMII interface

HP Auto-MDIX support

Miniature 24-pin QFN lead-free RoHS compliant

package (4 x 4 x 0.85mm height).

Power and I/Os

Various low power modes

Integrated power-on reset circuit

Two status LED outputs

Latch-Up Performance Exceeds 150mA per EIA/JESD

78, Class II

— May be used with a single 3.3V supply

Target Applications

Set-Top Boxes

Networked Printers and Servers

Test Instrumentation

LAN on Motherboard

Embedded Telecom Applications

Video Record/Playback Systems

Cable Modems/Routers

DSL Modems/Routers

Digital Video Recorders

IP and Video Phones

Wireless Access Points

Digital Televisions

Digital Media Adaptors/Servers

Gaming Consoles

POE Applications

(Refer to SMSC Application Note 17.18)

Additional Features

— Ability to use a low cost 25Mhz crystal for reduced BOM

Packaging

— 24-pin QFN (4x4 mm) Lead-Free RoHS Compliant

package with RMII

Environmental

— Extended commercial temperature range

(0°C to +85°C)

— Industrial temperature range version available

(-40°C to +85°C)

SMSC LAN8720A/LAN8720Ai

Revision 1.4 (08-23-12)

DATASHEET

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

Order Numbers:

LAN8720A-CP-TR for 24-pin QFN lead-free RoHS compliant package (0 to +85°C temp)

LAN8720Ai-CP-TR for 24-pin QFN lead-free RoHS compliant package (-40 to +85°C temp)

Reel size is 4,000.

This product meets the halogen maximum concentration values per IEC61249-2-21

For RoHS compliance and environmental information, please visit

www.smsc.com/rohs

Please contact your SMSC sales representative for additional documentation related to this product

such as application notes, anomaly sheets, and design guidelines.

Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for

construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC

reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications

before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent

rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated

version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors

known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not

designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property

damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of

this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered

trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.

The Microchip name and logo, and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE

OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL

DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT;

TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD

TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Revision 1.4 (08-23-12)

SMSC LAN8720A/LAN8720Ai

DATASHEET

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

Table of Contents

Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.1

1.2

General Terms and Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 2 Pin Description and Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1

2.2

Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Buffer Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Chapter 3 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.1

Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.1

100BASE-TX Transmit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.2

100BASE-TX Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.3

10BASE-T Transmit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1.4

10BASE-T Receive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto-negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.1

Parallel Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.2

Restarting Auto-negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.3

Disabling Auto-negotiation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.2.4

Half vs. Full Duplex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HP Auto-MDIX Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MAC Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.4.1

RMII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Serial Management Interface (SMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Interrupt Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.6.1

Primary Interrupt System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.6.2

Alternate Interrupt System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Configuration Straps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.7.1

PHYAD[0]: PHY Address Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.7.2

MODE[2:0]: Mode Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.7.3

REGOFF: Internal +1.2V Regulator Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.7.4

nINTSEL: nINT/REFCLKO Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Miscellaneous Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.1

LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.2

Variable Voltage I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.3

Power-Down Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.4

Isolate Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.5

Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.6

Carrier Sense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.7

Link Integrity Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.8.8

Loopback Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Application Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.9.1

Simplified System Level Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.9.2

Power Supply Diagram (1.2V Supplied by Internal Regulator) . . . . . . . . . . . . . . . . . . . .

3.9.3

Power Supply Diagram (1.2V Supplied by External Source). . . . . . . . . . . . . . . . . . . . . .

3.9.4

Twisted-Pair Interface Diagram (Single Power Supply). . . . . . . . . . . . . . . . . . . . . . . . . .

3.9.5

Twisted-Pair Interface Diagram (Dual Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . .

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

Chapter 4 Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

4.1

4.2

Register Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Control and Status Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

4.2.1

Basic Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Revision 1.4 (08-23-12)

SMSC LAN8720A/LAN8720Ai

DATASHEET

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

4.2.2

4.2.3

4.2.4

4.2.5

4.2.6

4.2.7

4.2.8

4.2.9

4.2.10

4.2.11

4.2.12

4.2.13

4.2.14

Basic Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PHY Identifier 1 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PHY Identifier 2 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Negotiation Advertisement Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Negotiation Link Partner Ability Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Auto Negotiation Expansion Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mode Control/Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special Modes Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Symbol Error Counter Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Special Control/Status Indications Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Interrupt Source Flag Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Interrupt Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PHY Special Control/Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 5 Operational Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

5.1

5.2

5.3

Absolute Maximum Ratings*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Conditions** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3.1

REF_CLK In Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3.2

REF_CLK Out Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AC Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.1

Equivalent Test Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.2

Power Sequence Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.3

Power-On nRST & Configuration Strap Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.4

RMII Interface Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.5

SMI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4

5.5

5.6

Chapter 6 Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Chapter 7 Datasheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Revision 1.4 (08-23-12)

SMSC LAN8720A/LAN8720Ai

DATASHEET

Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support

Datasheet

List of Figures

Figure 1.1

Figure 1.2

Figure 2.1

Figure 3.1

Figure 3.2

Figure 3.3

Figure 3.4

Figure 3.5

Figure 3.6

Figure 3.7

Figure 3.8

Figure 3.9

Figure 3.10

Figure 3.11

Figure 3.12

Figure 3.13

Figure 3.14

Figure 3.15

Figure 3.16

Figure 3.17

Figure 3.18

Figure 3.19

Figure 5.1

Figure 5.2

Figure 5.3

Figure 5.4

Figure 5.5

Figure 5.6

System Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Architectural Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

24-QFN Pin Assignments (TOP VIEW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

100BASE-TX Transmit Data Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

100BASE-TX Receive Data Path. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Relationship Between Received Data and Specific MII Signals . . . . . . . . . . . . . . . . . . . . . . 21

Direct Cable Connection vs. Cross-over Cable Connection . . . . . . . . . . . . . . . . . . . . . . . . . 26

MDIO Timing and Frame Structure - READ Cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

MDIO Timing and Frame Structure - WRITE Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

External 50MHz clock sources the REF_CLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Sourcing REF_CLK from a 25MHz Crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Sourcing REF_CLK from External 25MHz Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

LED1/REGOFF Polarity Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

LED2/nINTSEL Polarity Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Near-end Loopback Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Far Loopback Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Connector Loopback Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Simplified System Level Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Power Supply Diagram (1.2V Supplied by Internal Regulator) . . . . . . . . . . . . . . . . . . . . . . . 43

Power Supply Diagram (1.2V Supplied by External Source) . . . . . . . . . . . . . . . . . . . . . . . . . 44

Twisted-Pair Interface Diagram (Single Power Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Twisted-Pair Interface Diagram (Dual Power Supplies). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Output Equivalent Test Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Power Sequence Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Power-On nRST & Configuration Strap Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

RMII Timing (REF_CLK Out Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

RMII Timing (REF_CLK In Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

SMI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

SMSC LAN8720A/LAN8720Ai

Revision 1.4 (08-23-12)

DATASHEET

LAN8720A-CP-TR Related Products

	LAN8720A-CP-TR	GP55-2084-BBQ	LAN8720A-CP-ABC	PCF-W2512-12-1842-D-E-LT	LAN8720AI-CP-TR-ABC	LAN8720A-CP
Description	PHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin VQFN EP T/R	Fixed Resistor, Metal Film, 0.25W, 2080000ohm, 250V, 0.1% +/-Tol, 200ppm/Cel,	PHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin QFN EP Tray	Fixed Resistor, Thin Film, 0.5W, 18400ohm, 150V, 0.5% +/-Tol, -10,10ppm/Cel, 2512,	PHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin QFN EP T/R	PHY 1-CH 10Mbps/100Mbps 2.5V/3.3V 24-Pin VQFN EP Tray
EU restricts the use of certain hazardous substances	Compliant	-	Compliant	-	Compliant	Compliant
ECCN (US)	5A991	-	EAR99	-	EAR99	5A991
Part Status	Active	-	Active	-	Active	Active
HTS	8542.39.00.01	-	8542.39.00.01	-	8542.39.00.01	8542.39.00.01
Number of Channels per Chip	1	-	1	-	1	1
Maximum Data Rate	100Mbps	-	100Mbps	-	100Mbps	100Mbps
PHY Line Side Interface	No	-	No	-	No	No
JTAG Support	No	-	No	-	No	No
Integrated CDR	No	-	No	-	No	No
Standard Supported	10BASE-T\|100BASE-TX\|IEEE 802.3	-	10BASE-T\|100BASE-TX\|IEEE 802.3	-	10BASE-T\|100BASE-TX\|IEEE 802.3	10BASE-T\|100BASE-TX\|IEEE 802.3
Ethernet Speed	10Mbps/100Mbps	-	10Mbps/100Mbps	-	10Mbps/100Mbps	10Mbps/100Mbps
Ethernet Interface Type	MII/RMII	-	MII/RMII	-	MII/RMII	MII/RMII
Minimum Operating Supply Voltage (V)	1.14\|2.25\|3	-	1.14\|2.25\|3	-	1.14\|2.25\|3	1.14\|2.25\|3
Typical Operating Supply Voltage (V)	2.5\|3.3	-	2.5\|3.3	-	2.5\|3.3	3.3\|2.5
Maximum Operating Supply Voltage (V)	1.26\|3.6	-	1.26\|3.6	-	1.26\|3.6	1.26\|3.6
Power Supply Type	Analog\|Digital	-	Analog\|Digital	-	Analog\|Digital	Digital\|Analog
Maximum Operating Temperature (°C)	85	-	85	-	85	85
Supplier Temperature Grade	Extended Commercial	-	Extended Commercial	-	Industrial	Extended Commercial
Packaging	Tape and Reel	-	Tray	-	Tape and Reel	Tray
Pin Count	24	-	24	-	24	24
Standard Package Name	QFN	-	QFN	-	QFN	QFN
Supplier Package	VQFN EP	-	QFN EP	-	QFN EP	VQFN EP
Mounting	Surface Mount	-	Surface Mount	-	Surface Mount	Surface Mount
Package Height	0.83	-	0.83	-	0.83	0.83
Package Length	4	-	4	-	4	4
Package Width	4	-	4	-	4	4
PCB changed	24	-	24	-	24	24
Lead Shape	No Lead	-	No Lead	-	No Lead	No Lead

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Shortcut: S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

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