Programmable multiphase clock generators

18 May 2005 DSP, Micros & Memory

IDT's new family of programmable clock generators use an EEPROM-based programmable platform along with an enhanced, multiphase-locked loop (PLL) architecture. The 5V9885PFGI (32-TQFP) and 5V9885NLGI (28-VFQFPN) are suitable for a wide range of applications in the communications, digital consumer and industrial markets. The innovative three-PLL architecture includes ultra-high resolution prescalers, multipliers and output dividers with VCO ranges up to 1 GHz. This allows nearly any combination of clock scaling ratios from a single input frequency. An I²C compatible interface is available (as an alternative to the JTAG) to program the internal EEPROM, which allows users to save and restore device configurations at any stage of procurement, manufacturing or deployment. Advanced I/O capabilities support universal input logic and LVTTL, LVPECL and LVDS output types.

Memec SA, +27 (0)21 674 4103

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