Showing posts with label EEE. Show all posts
Showing posts with label EEE. Show all posts

Friday, February 21, 2014

Vitesse Unveils Energy Efficient Gigabit Ethernet PHYs

Vitesse Semiconductor introduced the latest generation of its SimpliPHY Gigabit Ethernet (GE) PHYs based on its Energy Efficient Ethernet (EEE) EcoEthernet 2.0 technology, which offer IEEE 802.3az idle power savings up to 85 percent compared to 1000BASE-T full data rate.

The new physical layer transceivers are designed for a variety of low-power, small-form factor IoT devices, such as digital signage and IP cameras.

“Vitesse is already experiencing strong demand for network infrastructure equipment designs that will support IoT traffic,” said David Grant, senior product marketing manager at Vitesse. “With the VSC8501, VSC8502 and VSC8514, we broaden our market reach into industrial IoT applications using low-power, small-form factor end-point devices connected via Gigabit Ethernet.”

Key features:

• The VSC8502 is the industry’s smallest form factor dual 10/100/1000BASE-T GE PHY with a GMII interface, while the VSC8514 employs the smallest form factor package used in the industry for a quad GE PHY. The small packaging enables a reduction in design form factor, reducing system BOM costs, and delivers  industrial temperature support from -40 ˚C to 125 ˚C;
• The VSC8501 and VSC8502 are pin-compatible, allowing system flexibility within the same footprint. They also are Vitesse’s first to feature Wake-on-LAN (WoL) support, allowing remote wakeup of target host systems from a power-savings
sleep state;
• The GE PHYs incorporate Vitesse's EcoEthernet 2.0,
• Synchronous Ethernet support: All the devices feature recovered clock output to support timing synchronization in accordance with ITU-T Recommendation G.8261/Y.1361; and
• Robust features meeting SONET-grade requirements: Fast link failover and ring resiliency features enable OEMs to design to meet carrier grade resiliency.

Tuesday, April 24, 2012

Broadcom Intros Four Energy Efficient Ethernet (EEE) PHYs

Broadcom has added four energy efficient chips to its Energy Efficient Ethernet (EEE) portfolio.


The new 10/100/1000BASE-T physical layer transceivers (PHYs) lower operating power by more than 40 percent, and up to 70 percent or more through the implementation of EEE directly at the physical layer. The PHYs also feature Broadcom's AutoGrEEEn technology, which enables systems with legacy MACs to leverage the power savings of EEE in periods of low link utilization. This allows customers to transform existing network equipment to EEE-compliance simply by changing the PHY device.

In addition to reducing power consumption and energy costs, Broadcom said its new PHYs provide integrated on chip 1588 PTP and Y.1731 delay measurement for timing synchronization and latency measurement — critical features for service provider and industrial Ethernet applications.

All devices are now sampling with production volume slated for the second half of 2012. http://www.broadcom.com


Sunday, April 15, 2012

Broadcom Adds Energy Efficient 10GBASE-T Transceivers

Broadcom has added two energy efficient Ethernet (EEE) 10GBASE-T physical layer transceivers (PHYs) optimized for top-of-rack switches, 10GbE server adapters and LOMs (LAN on motherboard) in the data center.


The new quad-port BCM84844 and dual-port BCM84846 substantially reduce power consumption at 10GE to less than two watts per port through the use of EEE, and extend the benefits of EEE to include all device speeds including 1GbE. The devices are based on Broadcom's second generation 40 nanometer (nm) technology. Broadcom's AutoGrEEEn technology enables systems with legacy MACs to get the power savings of EEE in periods of reduced link utilization. Both PHYs provide on-chip IEEE802.1ae MACsec link layer security and 1588v2 precision time protocol (PTP), delivering precise and accurate synchronization of nodes in the network.

Broadcom said these new devices maintain pin compatibility to previous Broadcom devices (BCM84834 and BCM84836) and integration with Broadcom's broad portfolio of switch, controller, and adapter solutions. This includes PHY drivers within Broadcom's Software Development Kit (SDK) and common implementations of MACsec and 1588v2 PTP.
http://www.broadcom.com


See also