Part Number: 88E1119RA0-NNW2C000

Manufacturer: MARVELL

Description: Resistor Network, Array Dual Terminator Surface Mount

Shipped from: Shenzhen/HK Warehouse

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The Alaska® 88E1111 Gigabit Ethernet Transceiver, also known by the part number 88E1119RA0-NNW2C000, is a high-performance physical layer device designed to support Ethernet applications across various speeds and interfaces. Manufactured using standard digital CMOS technology, this transceiver enables seamless data transmission and reception on standard CAT 5 unshielded twisted pair cables. In this comprehensive guide, we’ll explore the features, functionalities, and benefits of the 88E1111 transceiver, providing valuable insights for engineers, network administrators, and anyone interested in Ethernet connectivity.

Overview of the 88E1111 Gigabit Ethernet Transceiver

The 88E1111 Gigabit Ethernet Transceiver is a cutting-edge physical layer device that makes it easier to connect to Ethernet at high speeds in a variety of networking situations. Its high-tech features and ability to work with other devices make it a useful part for Ethernet applications. In this summary, we will look at the most important parts of the 88E1111 transmitter.

Understanding Ethernet Standards: 1000BASE-T, 100BASE-TX, and 10BASE-T

Ethernet standards say how fast data can be sent over Ethernet lines and how it can be sent. The 88E1111 works with the three main Ethernet standards, which are:

  • 1000BASE-T: This standard, which is often called “Gigabit Ethernet,” lets twisted pair connections send data at 1 gigabit per second (Gbps). It works well for high-performance networks that need to move data quickly.
  • 100BASE-TX: This standard, which is also called “Fast Ethernet,” lets you send data at 100 megabits per second (Mbps). It’s a good choice for networks that don’t need very fast speeds.
  • 10BASE-T: This standard sends data at 10 Mbps, which is good for older or low-bandwidth apps. It was one of the first Ethernet standards that became very popular.

CMOS Technology and Physical Layer Functions

Standard digital CMOS (Complementary Metal-Oxide-Semiconductor) technology is used to make the 88E1111. This advanced semiconductor process makes it easy to fit together a lot of complicated circuits, which results in a transceiver that is small and strong.

The physical layer of Ethernet transmission is made up of the transceiver. It sends and receives data and takes care of other important tasks like signal modulation, encoding, and noise reduction. This processing at the physical layer is essential for data transfer over Ethernet lines to work well.

Compatibility with CAT 5 Unshielded Twisted Pair Cables

The CAT 5 (Category 5) unshielded twisted pair (UTP) wires are made to work perfectly with the 88E1111 transceiver. CAT 5 cables are a popular type of Ethernet cable that can be used for a variety of networking tasks. They are made up of four sets of copper wires that are twisted together. The 88E1111 can send and receive data over these cables, making sure that the connection is strong and reliable.

The 88E1111 transceiver is a good choice for Ethernet networking options because it uses CAT 5 UTP cables. This makes installation easier and cuts costs.

Key Features and Interfaces

The 88E1111 Gigabit Ethernet Transceiver has a number of important features and ports that make it a powerful and flexible Ethernet component. Let’s look more closely at each of these features:

IEEE 802.3 Compliance

The 88E1111 transceiver fully meets with the IEEE 802.3 standard, which is the standard for Ethernet. This makes sure that the device can work with other Ethernet-compliant devices and can be added to Ethernet networks without any problems.

Support for Flexible Interfaces: SGMII, RGMII, RTBI, and GMII: The receiver has a number of different interfaces to meet different networking needs. Some of these platforms are:

  • GMII (Gigabit Media Independent Interface)
  • TBI (Ten Bit Interface)
  • RGMII (Reduced Gigabit Media Independent Interface)
  • RTBI (Reduced Ten Bit Interface)
  • SGMII (Serial Gigabit Media Independent Interface)

This flexibility in interfaces enables the 88E1111 to connect with various networking equipment and adapt to the specific needs of different applications.

1.25 GHz SERDES for 1000BASE-X Fiber Applications

The 88E1111 has a high-performance SERDES (Serializer/Deserializer) that works at 1.25 GHz. Because of this, it can be used for 1000BASE-X fiber applications. This means that it can send high-speed data over fiber optic lines, which are often used for long-distance and high-bandwidth connections.

Energy-Efficient Modes: Energy Detect and Energy Detect+

When the full data rate is not needed, the transceiver has energy-efficient settings that cut down on power use. The “Energy Detect” and “Energy Detect+” modes allow the transceiver to use less power when there is less action on the network. This helps save energy without affecting performance.

Advanced Diagnostics: Loopback Modes, Downshift Mode

The 88E1111 has advanced diagnostic features that make it easier to fix problems and do upkeep. The device has loopback modes that let the functions of the transmitter be tested from the inside. This makes sure that the device is working correctly. Also, the “Downshift” mode is made for two-pair cable setups. It lets the transceiver change its speed depending on what the cable can do, which makes it more compatible.

The 88E1111 transceiver is a great choice for Ethernet networking solutions because it meets industry standards, has flexible interfaces, works well with high-speed fiber applications, uses less energy, and comes with advanced diagnostic tools to make sure it works well and is reliable.

Signal Enhancement and Correction

The 88E1111 Gigabit Ethernet Transceiver has important methods for improving and correcting signals:

  • Echo cancellers, adaptive equalizers, and crosstalk cancellers: These things work together to stop signal loss, echoes, and crosstalk, making sure that the link is strong and reliable even in tough environments.
  • Digital Baseline Wander Correction: Changes are made in real time to keep a stable signal baseline, which prevents distortion and makes sure data transfer is consistent.
  • Auto-MDI/MDIX crossing and Polarity Correction: This feature makes setting up a network easier by taking care of cable crossing and polarity alignment automatically. This reduces connection errors and makes sure that data is sent correctly.

Together, these features improve the signal quality of the transceiver, making it a great choice for high-performance and stable Ethernet networking.

Advanced Functionalities

The 88E1111 Gigabit Ethernet Transceiver offers valuable advanced features:

  1. Auto-Negotiation (IEEE 802.3u):Automatically determines the best network speed and duplex mode for seamless device communication, simplifying network setup.
  2. LED Modes and Testing:Programmable LED indicators for customized monitoring, with built-in testing for quick diagnostics, ensuring network activity is easily observed and issues identified.
  3. Automatic Fiber/Copper Detection:Self-detects whether it’s connected to fiber optic or copper Ethernet links, streamlining integration into various network environments and reducing manual configuration.
  4. IEEE 1149.1 JTAG Support:Integrated JTAG interface for comprehensive testing, debugging, and troubleshooting, enhancing overall diagnostic capabilities.


The Alaska® 88E1111 Gigabit Ethernet Transceiver (88E1119RA0-NNW2C000) is a versatile solution for Ethernet applications, from designing network equipment to troubleshooting connections. Explore its capabilities, stay at the forefront of Ethernet technology, and for cost-effective options, contact ICRFQ, the leading Chinese supplier of electronic components. Experience reliable high-speed data transmission with the 88E1111, backed by ICRFQ’s industry expertise.

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