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Compact Serdes boasts low power, saves board space

Posted: 08 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:GbE Serdes for GbE systems? transceiver chips? serializer/deserializer?

Texas Instruments Inc. has rolled out a Gigabit Ethernet (GbE) Serdes device that enables higher densiTIes in data communications and telecommunications equipment.

The TLK1221 is the industry's smallest low-power, single-channel interface device, according to TI. Its small 6-by-6mm package and power consumption of 200mW reduce board size and save power in Ethernet passive optical networks, GbE switches/routers and wireless base stations.

The TLK1221 supports high-speed, full-duplex, point-to-point data transmissions at data rates from 600Mbps to 1.3Gbps, including GbE and CPRI data rates. This gives designers the flexibility to upgrade their systems using this one device, said TI. The device also eliminates the need for external filter capacitors to further simplify design and reduce cost.

Other key features include 2.5V supply voltage, 3.3V tolerant on LVTTL inputs and support for 10-bit interface. The device is IEEE 802.3 GbE compliant and offers built-in testability and hot plug protection. The industrial operating temperature range is -40C to 85C.

The TLK1221 is available now in a 40-pin QFN Pb-free package and is priced at $3.25 each in quantities of 1,000.

- Gina Roos

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