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General Description

The 8S89874 is a high speed 1:2 Differential-to- LVPECL Buffer/

Divider. The 8S89874 has a selectable ÷1, ÷2, ÷4, ÷8, ÷16 output

divider, which allows the device to be used as either a 1:2 fanout

buffer or frequency divider. The clock input has internal termination

resistors, allowing it to interface with several differential signal types

while minimizing the number of required external components. The

device is packaged in a small, 3mm x 3mm VFQFN package, making

it ideal for use on space-constrained boards.

Features

? Two LVPECL/ECL output pairs

? Frequency divide select options: ÷1 (pass through), ÷2, ÷4, ÷8,

÷16

? IN, nIN input can accept the following differential input levels:

LVPECL, LVDS, CML

? Output frequency: 2GHz (maximum)

? Output skew: 15ps (maximum)

? Part-to-part skew: 250ps (maximum)

? Additive phase jitter, RMS: 0.20ps (typical)

? LVPECL supply voltage range: 2.375V to 3.63V

? ECL supply voltage range: -3.63V to -2.375V

? -40°C to 85°C ambient operating temperature

? Available in lead-free (RoHS 6) package