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TI unveils low-jitter network clock generator

Posted: 22 Jun 2007     Print Version  Bookmark and Share

Keywords:network clock generator  clock generator IC  femtosecond  TI chips 

Texas Instruments Inc. has introduced a femtosecond-performance clock generator that provides a jitter performance of 380fs rms at 10kHz to 20MHz. Especially targeted for networking designs, the low-phase-noise CDCE421 incorporates crystal oscillator (XO) circuitry with a fully integrated frequency synthesiser, supporting an output frequency range from 10.9-766.7MHz and from 875.2-1,175MHz. This eases design for customers designing Ethernet, fibre channel, PCIe and serial ATA products.

The CDCE421 is available in die form to fit in a 5-by-7mm XO package or a 24-pin QFN package, giving customers flexibility to fit their designs. The clock device integrates both on-chip EEPROM and XO circuitry for increased programmability, allowing the customer to implement a single device for various frequencies.

All device settings are programmable through a TI proprietary serial interface for programming after manufacturing. The device operates in a single 3.3V supply environment and is characterised for operation in an industrial temperature range of -40?C to 85?C.

The product is now available, with pricing at Rs.286.07 ($7.00) each in 1,000-piece quantities.

- eeProductCenter

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