Product details

Datarate (Mbps) 10/100 Interface type MII, RMII Number of ports Single Rating Catalog Features IEEE 1588 PTP, FX support, Cable diagnostics, JTAG1149.1 Supply voltage (V) 3.3 IO supply (Typ) (V) 2.5, 3.3 Operating temperature range (C) -40 to 85 Cable length (m) 150
Datarate (Mbps) 10/100 Interface type MII, RMII Number of ports Single Rating Catalog Features IEEE 1588 PTP, FX support, Cable diagnostics, JTAG1149.1 Supply voltage (V) 3.3 IO supply (Typ) (V) 2.5, 3.3 Operating temperature range (C) -40 to 85 Cable length (m) 150
LQFP (PT) 48 81 mm² 9 x 9
  • IEEE 1588 V1 and V2 Supported
  • UDP/IPv4, UDP/IPv6, and Layer2 Ethernet
    Packets Supported
  • IEEE 1588 Clock Synchronization
  • Timestamp Resolution of 8 ns
  • Allows Sub 10-ns Synchronization to Master
    Reference
  • 12 IEEE 1588 GPIOs for Trigger or Capture
  • Deterministic, Low Transmit and Receive Latency
  • Selectable Frequency Synchronized Clock Output
  • Dynamic Link Quality Monitoring
  • TDR Based Cable Diagnostic and Cable Length
    Detection
  • 10/100 Mb/s Packet BIST (Built-in Self Test)
  • Error-Free Operation up to 150 Meters CAT5
    Cable
  • ESD Protection – 8 kV Human Body Model
  • 2.5-V and 3.3-V I/Os and MAC Interface
  • Auto-MDIX for 10/100 Mbps
  • RMII Rev. 1.2 and MII MAC Interface
  • 25-MHz MDC and MDIO Serial Management Interface
  • IEEE 802.3 100BASE-FX Fiber Interface
  • IEEE 1149.1 JTAG
  • Programmable LED Support for Link, 10/100 Mb/s
    Mode, Duplex, Activity, and Collision Detect
  • Optional 100BASE-TX Fast Link-loss Detection
  • Industrial Temperature Range
  • 48-pin LQFP Package (7 mm × 7 mm)
  • IEEE 1588 V1 and V2 Supported
  • UDP/IPv4, UDP/IPv6, and Layer2 Ethernet
    Packets Supported
  • IEEE 1588 Clock Synchronization
  • Timestamp Resolution of 8 ns
  • Allows Sub 10-ns Synchronization to Master
    Reference
  • 12 IEEE 1588 GPIOs for Trigger or Capture
  • Deterministic, Low Transmit and Receive Latency
  • Selectable Frequency Synchronized Clock Output
  • Dynamic Link Quality Monitoring
  • TDR Based Cable Diagnostic and Cable Length
    Detection
  • 10/100 Mb/s Packet BIST (Built-in Self Test)
  • Error-Free Operation up to 150 Meters CAT5
    Cable
  • ESD Protection – 8 kV Human Body Model
  • 2.5-V and 3.3-V I/Os and MAC Interface
  • Auto-MDIX for 10/100 Mbps
  • RMII Rev. 1.2 and MII MAC Interface
  • 25-MHz MDC and MDIO Serial Management Interface
  • IEEE 802.3 100BASE-FX Fiber Interface
  • IEEE 1149.1 JTAG
  • Programmable LED Support for Link, 10/100 Mb/s
    Mode, Duplex, Activity, and Collision Detect
  • Optional 100BASE-TX Fast Link-loss Detection
  • Industrial Temperature Range
  • 48-pin LQFP Package (7 mm × 7 mm)

The DP83640 Precision PHYTER™ device delivers the highest level of precision clock synchronization for real time industrial connectivity based on the IEEE 1588 standard. The DP83640 has deterministic, low latency and allows choice of microcontroller with no hardware customization required. The integrated 1588 functionality allows system designers the flexibility and precision of a close to the wire timestamp. The three key 1588 features supported by the device are:

  • Packet time stamps for clock synchronization
  • Integrated IEEE 1588 synchronized clock generation
  • Synchronized event triggering and time stamping through GPIO

DP83640 offers innovative diagnostic features unique to Texas Instruments, including dynamic monitoring of link quality during standard operation for fault prediction. These advanced features allow the system designer to implement a fault prediction mechanism to detect and warn of deteriorating and changing link conditions. This single port fast Ethernet transceiver can support both copper and fiber media.

The DP83640 Precision PHYTER™ device delivers the highest level of precision clock synchronization for real time industrial connectivity based on the IEEE 1588 standard. The DP83640 has deterministic, low latency and allows choice of microcontroller with no hardware customization required. The integrated 1588 functionality allows system designers the flexibility and precision of a close to the wire timestamp. The three key 1588 features supported by the device are:

  • Packet time stamps for clock synchronization
  • Integrated IEEE 1588 synchronized clock generation
  • Synchronized event triggering and time stamping through GPIO

DP83640 offers innovative diagnostic features unique to Texas Instruments, including dynamic monitoring of link quality during standard operation for fault prediction. These advanced features allow the system designer to implement a fault prediction mechanism to detect and warn of deteriorating and changing link conditions. This single port fast Ethernet transceiver can support both copper and fiber media.

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Technical documentation

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Type Title Date
* Data sheet DP83640 Precision PHYTER™ - IEEE 1588 Precision Time Protocol Transceiver datasheet (Rev. F) 30 Apr 2015
Application note How to Pass IEEE Ethernet Compliance Tests 20 Sep 2021
Technical article SimpliPHY your Ethernet design, part 1: Ethernet PHY basics and selection process 11 Mar 2020
Application note Selection and specification of crystals for Texas Instruments ethernet physical 06 Feb 2019
Technical article How to achieve network synchronization clocks with TI digital PLLs 21 Jun 2018
Technical article How to implement IEEE 1588 time stamping in an Ethernet transceiver 28 Sep 2016
Technical article Fiber in industrial applications 21 Apr 2016
Application note AN-1469 PHYTER® Design & Layout Guide (Rev. D) 26 Apr 2013
Application note AN-1540 Power Measurement of Ethernet Physical Layer Products (Rev. B) 26 Apr 2013
Application note AN-1548 PHYTER 100 Base-TX Reference Clock Jitter Tolerance (Rev. B) 26 Apr 2013
Application note AN-1729 DP83640 IEEE 1588 PTP Synchronized Clock Output (Rev. D) 26 Apr 2013
Application note AN-1794 Using RMII Master Mode (Rev. A) 26 Apr 2013
Application note AN-2006 Synchronizing a DP83640 PTP Master to a GPS Receiver (Rev. A) 26 Apr 2013
Application note DP83640 Synchronous Ethernet Mode: Achieving Sub-ns Accuracy in PTP Applications (Rev. A) 26 Apr 2013
Application note IEEE 1588 Boundary Clock and Transparent Clock Implementation Using the DP83640 (Rev. A) 26 Apr 2013
Application note IEEE 1588 Precision Time Protocol Time Synchronization Performance (Rev. A) 26 Apr 2013
Application note IEEE 1588 Synchronization Over Standard Networks Using the DP83640 (Rev. A) 26 Apr 2013
Application note Improving Electro-Magnetic Noise Immunity in Serial Communications Systems (Rev. A) 26 Apr 2013
Application note Reducing Radiated Emissions in Ethernet 10/100 LAN Applications (Rev. A) 26 Apr 2013
More literature EMC Test Report 04 Jan 2013
User guide DP83640T Evaluation Demo Board User Guide 25 Jan 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DP83640T-EVK — DP83640T evaluation demonstration board

DP83640 basic product evaluation and customer demonstration board.

In stock
Limit: 2
Application software & framework

USB-2-MDIO — USB to MDIO serial management tool

The USB-2-MDIO software tool lets Texas Instruments' Ethernet PHYs access the MDIO status and device control registers.  The USB-2-MDIO tool includes a LaunchPad™ Development kit for TI's MSP430™ MCUs that is interfaced with a lightweight (...)
Driver or library

DP83640SW-LIB — DP83640 Software Design Guide and C Software Reference Library

Driver or library

ETHERNET-SW — Ethernet PHY Linux drivers & tools

The Linux drivers for Texas Instruments' Ethernet physical layer (PHY) transceivers support communication through the serial management interface (MDC/MDIO) to configure and read PHY registers.

The USB-2-MDIO software lets you directly access the registers during debug and prototyping.  (...)

Driver or library

Software Design Guide and C Software Reference Library

SNLC036.ZIP (4500 KB)
Support software

Logic Vision Software Boundary Scan Cell

SNLC035.ZIP (0 KB)
Simulation model

DP83640 IBIS Model

SNLM171.ZIP (15 KB) - IBIS Model
Simulation model

DP83640 BSDL Model

SNLM180.ZIP (1 KB) - BSDL Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
CAD/CAE symbol

DP83640 Orcad Symbol

SNLC037.ZIP (1 KB)
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