Clock and data driver ICs

14 April 2010 Analogue, Mixed Signal, LSI

ON Semiconductor announced an expansion of its family of clock drivers with the release of the NB7L585, NB7L585R, NB7V585M and NB7V586M differential 2:1 MUX input to 1:6 devices and the NB6HQ14M and NB7HQ14M 1:4 fanout clock/data drivers with equalisation.

The NB6HQ14M and NB7HQ14M integrate a selectable equaliser receiver into a differential 1:4 CML clock driver. When placed in series with a data path operating at up to 6,5 Gbps or 10 Gbps, the inputs will compensate the degraded signal and output four identical CML copies of the original input signal. The serial data rate is thereby increased by reducing inter-symbol interference caused by losses in the copper interconnect or long cables.

The NB7L585, NB7L585R, NB7V585M and NB7V586M are the newest members of the Gigacomm family representing a new 2:1:6 function integrating a 2:1 MUX with a 1:6 fanout buffer. The NB7L585 and NB7L585R are 2,5 V/3,3 V devices with either low-voltage positive emitter coupled logic (LVPECL) output or reduced swing emitter coupled logic (RSECL) output of 400 mV peak-to-peak, respectively. The NB7L585 operates up to 5 GHz or 8 Gbps and the NB7L585R operates up to 7 GHz or 10 Gbps.

The NB7V585M is a low-voltage device operating from a 1,8 V/2,5 V power supply. The NB7V586M operates a 1,8 V supply and offers six outputs configured as three banks of two differential pairs. Each bank of outputs has the flexibility to be powered by any combination of either 1,8 V or 1,2 V supplies. Both devices operate up to clock/data rates of 6 GHz/10 Gbps. The specifications achieved by these clock drivers make them suited to use in SONET, Gigabit Ethernet, Fibre Channel, backplane and other clock/data distribution applications. The ambient operating temperature of each of these devices covers -40°C to +85°C.

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