ON Semiconductor Introduces Programmable Clock Multiplier

20th October 2008

onsemi

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Datasheet

ON Semiconductor introduced the NB3N3020 – a high precision, low phase noise, programmable clock multiplier with best-in-class jitter performance. The device generates an LVPECL clock, as well as LVCMOS clock on the same device which enables the NB3N3020 to be used in a wide range of applications including networking, consumer electronics and computing applications.

The device has three tri-level LVCMOS single ended select pins that set one of 26 possible clock frequencies allowing flexibility for the designer to meet requirements and replace many clocks in different systems with a single custom-tailored device.

ON Semiconductor’s NB3N3020 programmable clock multiplier has a wide output frequency range from 8 Megahertz (MHz) to 210 MHz. It takes a 5.0-27 MHz fundamental mode parallel resonant crystal or a 2.0-210 MHz LVCMOS single ended clock source and generates a differential LVPECL output and a single ended LVCMOS output at a selectable clock output frequency which is a multiple of the input clock frequency. The LVCMOS output enable (OE) tri-states clock outputs when low, allowing system designers to dynamically control the presence of clock timing in their systems. The device has excellent jitter performance with period jitter of 5 picoseconds (ps) resulting in more system timing margin for board designers, higher frequency designs and higher reliability.